Check-Host.cc

Domain

officeclient.microsoft.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of officeclient.microsoft.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
52.110.0.118, 52.110.0.121, 52.110.0.16, 52.110.0.48, 52.110.17.11, 52.110.17.12, 52.110.17.15, 52.110.17.18
AAAA
2603:1063:2001:2200::365:ff1, 2603:1063:2001:2207::365:ff1, 2603:1063:2001:2208::365:ff1, 2603:1063:2001:220a::365:ff1, 2603:1063:2001:221b::365:ff1, 2603:1063:2001:222d::365:ff1, 2603:1063:2001:222f::365:ff1, 2603:1063:2001:2242::365:ff1
MX
NS
TXT
CNAME
CAA

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, *.office.microsoft.com, *.officeapps.live.com, *.officebeta.microsoft.com, config-df.officeapps.live.com, config.office.microsoft.com, config.officeapps.live.com, config.svc.cloud.microsoft, office14client.microsoft.com, office15client.microsoft.com, officeclient.microsoft.com

IPs Citing This Domain

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

42f6bbf450647578… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 19:05:15 → 2026-10-01 19:05:15
a38ae7df7bc620b1… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 18:46:00 → 2026-10-01 18:46:00
9da127ee7bf32d7b… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 18:15:22 → 2026-10-01 18:15:22
b3ac41cee3e2f095… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 18:09:10 → 2026-10-01 18:09:10
bccbddd639e78d98… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 16:05:07 → 2026-10-01 16:05:07
fabaf80445795718… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 14:57:31 → 2026-10-01 14:57:31
21ab28f5b54ed154… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 14:56:16 → 2026-10-01 14:56:16
5f3ef197d2c3bf89… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 12:38:01 → 2026-10-01 12:38:01
4968fa7faca2b6af… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 12:14:10 → 2026-10-01 12:14:10
d364b37b234bbdac… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 11:53:37 → 2026-10-01 11:53:37
df41f86ff03b3c5f… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 11:17:22 → 2026-10-01 11:17:22
d637d1f797463c56… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 10:07:01 → 2026-10-01 10:07:01
41e12b3725bca87b… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 09:15:29 → 2026-10-01 09:15:29
9664679cbbf91499… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 07:46:21 → 2026-10-01 07:46:21
0ba2314c2d50b7cd… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 10
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 07:03:23 → 2026-10-01 07:03:23
2d731615e21c320c… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 16
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-04-04 06:03:58 → 2026-10-01 06:03:58
84e61dbe2169a386… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 04
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-02-20 01:08:15 → 2026-08-19 01:08:15
70934a43f26eb21d… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-02-20 01:05:14 → 2026-08-19 01:05:14
5b37d8b563d23eda… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-02-20 01:05:12 → 2026-08-19 01:05:12
6640d376fd4f892f… google · xenon2026h2
Subject: config.officeapps.live.com
Issuer: Microsoft TLS G2 RSA CA OCSP 02
SANs: config.officeapps.live.com, *.office.microsoft.com, *.officebeta.microsoft.com, office15client.microsoft.com, office14client.microsoft.com, officeclient.microsoft.com, *.officeapps.live.com, config.office.microsoft.com, config-df.officeapps.live.com, *.config-df.officeapps.live.com, *.config.svc.cloud.microsoft, config.svc.cloud.microsoft
Valid: 2026-02-20 01:05:10 → 2026-08-19 01:05:10

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
AAAA 2603:1063:2001:2d0d::365:ff1 2026-06-17 11:56:17.827 2026-07-21 11:51:30.555
A 52.110.0.16 2026-06-17 11:56:17.827 2026-06-17 11:56:17.827
A 52.110.0.121 2026-06-17 11:56:17.827 2026-06-17 11:56:17.827
AAAA 2603:1063:2001:2d0a::365:ff1 2026-06-17 11:56:17.827 2026-07-21 11:51:30.555
A 52.110.0.48 2026-06-17 11:56:17.827 2026-06-17 11:56:17.827
AAAA 2603:1063:2001:2d00::365:ff1 2026-06-17 11:56:17.827 2026-06-20 09:43:43.461
AAAA 2603:1063:2001:2d03::365:ff1 2026-06-17 11:56:17.827 2026-07-21 11:51:30.555
A 52.110.0.118 2026-06-17 11:56:17.827 2026-06-17 11:56:17.827
AAAA 2603:1063:2001:2207::365:ff1 2026-06-17 22:41:52.461 2026-06-17 22:41:52.461
A 52.110.17.47 2026-06-17 22:41:52.461 2026-06-17 22:41:52.461
AAAA 2603:1063:2001:220a::365:ff1 2026-06-17 22:41:52.461 2026-06-17 22:41:52.461
AAAA 2603:1063:2001:2208::365:ff1 2026-06-17 22:41:52.461 2026-06-17 22:41:52.461
AAAA 2603:1063:2001:2200::365:ff1 2026-06-17 22:41:52.461 2026-06-17 22:41:52.461
A 52.110.17.15 2026-06-17 22:41:52.461 2026-06-17 22:41:52.461
A 52.110.17.26 2026-06-17 22:41:52.461 2026-06-19 10:11:47.436
A 52.110.17.64 2026-06-17 22:41:52.461 2026-06-17 22:41:52.461
AAAA 2603:1063:2001:3001::365:ff1 2026-06-19 10:11:47.436 2026-06-19 10:11:47.436
AAAA 2603:1063:2001:3000::365:ff1 2026-06-19 10:11:47.436 2026-06-19 10:11:47.436
AAAA 2603:1063:2001:3003::365:ff1 2026-06-19 10:11:47.436 2026-06-19 10:11:47.436
A 52.110.17.11 2026-06-19 10:11:47.436 2026-06-19 10:11:47.436
AAAA 2603:1063:2001:3002::365:ff1 2026-06-19 10:11:47.436 2026-06-19 10:11:47.436
A 52.110.17.46 2026-06-19 10:11:47.436 2026-06-19 10:11:47.436
A 52.110.17.18 2026-06-19 10:11:47.436 2026-06-19 10:11:47.436
A 52.110.17.65 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
A 52.110.17.7 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
A 52.110.17.8 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
AAAA 2603:1063:2001:2242::365:ff1 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
AAAA 2603:1063:2001:222d::365:ff1 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
A 52.110.17.12 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
AAAA 2603:1063:2001:221b::365:ff1 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
AAAA 2603:1063:2001:222f::365:ff1 2026-06-20 02:16:21.497 2026-06-20 02:16:21.497
A 52.110.18.129 2026-06-20 09:43:43.461 2026-06-20 09:43:43.461
AAAA 2603:1063:2001:2d08::365:ff1 2026-06-20 09:43:43.461 2026-07-22 23:01:08.738
A 52.110.18.131 2026-06-20 09:43:43.461 2026-06-20 09:43:43.461
A 52.110.18.140 2026-06-20 09:43:43.461 2026-07-22 23:01:08.738
A 52.110.18.141 2026-06-20 09:43:43.461 2026-07-22 23:01:08.738
AAAA 2603:1063:2001:2d0b::365:ff1 2026-06-20 09:43:43.461 2026-06-20 09:43:43.461
AAAA 2603:1063:2001:2d04::365:ff1 2026-06-20 09:43:43.461 2026-07-22 23:01:08.738
A 52.110.18.138 2026-07-21 11:51:30.555 2026-07-22 23:01:08.738
AAAA 2603:1063:2001:2d0e::365:ff1 2026-07-21 11:51:30.555 2026-07-21 11:51:30.555
A 52.110.18.142 2026-07-21 11:51:30.555 2026-07-21 11:51:30.555
A 52.110.18.132 2026-07-21 11:51:30.555 2026-07-21 11:51:30.555
AAAA 2603:1063:2001:2d05::365:ff1 2026-07-22 23:01:08.738 2026-07-22 23:01:08.738
AAAA 2603:1063:2001:2d0c::365:ff1 2026-07-22 23:01:08.738 2026-07-22 23:01:08.738
A 52.110.18.136 2026-07-22 23:01:08.738 2026-07-22 23:01:08.738