Check-Host.cc

Domain

offline.officeapps.live.com

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

Run a live full scan of offline.officeapps.live.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
104.102.57.106, 184.31.89.5, 23.0.30.199, 23.207.144.198, 23.222.60.48, 95.101.58.91
AAAA
2a02:26f0:1180:58d::363e, 2a02:26f0:1180:594::363e, 2a02:26f0:3500:587::363e, 2a02:26f0:3500:591::363e, 2a02:26f0:b200:18e::363e, 2a02:26f0:b200:1a3::363e, 2a02:26f0:b200:1ae::363e, 2a02:26f0:b200:2b5::363e
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: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.com
Subject: offline.officeapps.live.com
Issuer: Microsoft IT TLS CA 1
SANs: *.officeapps-df.live.com, *.officeapps.live.com, offline.officeapps.live.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.

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
A 23.222.60.48 2026-07-16 14:06:26.826 2026-07-28 03:15:39.983
AAAA 2a02:26f0:b200:3b2::363e 2026-07-16 14:06:26.826 2026-07-18 15:21:50.842
AAAA 2a02:26f0:b200:3b7::363e 2026-07-16 14:06:26.826 2026-07-18 15:21:50.842
AAAA 2a02:26f0:b200:1a3::363e 2026-07-17 00:53:23.935 2026-07-27 08:50:56.432
AAAA 2a02:26f0:b200:18e::363e 2026-07-17 00:53:23.935 2026-07-17 00:53:23.935
A 23.0.30.199 2026-07-17 01:03:55.008 2026-07-17 01:03:55.008
AAAA 2a02:26f0:3500:587::363e 2026-07-17 02:18:33.226 2026-07-18 20:20:40.007
AAAA 2a02:26f0:3500:591::363e 2026-07-17 02:18:33.226 2026-07-18 20:20:40.007
AAAA 2a02:26f0:b200:1ae::363e 2026-07-17 03:20:25.784 2026-07-27 08:50:56.432
A 184.31.89.5 2026-07-17 06:17:21.206 2026-07-17 06:17:21.206
AAAA 2a02:26f0:1180:58d::363e 2026-07-18 05:50:37.128 2026-07-23 13:41:36.666
A 23.207.144.198 2026-07-18 05:50:37.128 2026-07-18 05:50:37.128
AAAA 2a02:26f0:1180:594::363e 2026-07-18 05:50:37.128 2026-07-23 13:41:36.666
A 104.102.57.106 2026-07-18 06:01:33.340 2026-07-18 06:01:33.340
AAAA 2a02:26f0:b200:2b9::363e 2026-07-20 05:42:01.455 2026-07-28 03:15:39.983
AAAA 2a02:26f0:b200:2b5::363e 2026-07-20 05:42:01.455 2026-07-28 03:15:39.983
A 95.101.58.91 2026-07-20 16:27:20.286 2026-07-20 16:27:20.286