Check-Host.cc

Domain

citrixsys.splunkcloud.com

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

Run a live full scan of citrixsys.splunkcloud.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
100.49.57.143, 18.207.145.226, 3.208.83.164, 3.209.189.180, 3.214.107.216, 3.214.2.52, 3.226.107.245, 34.206.225.23
AAAA
MX
NS
ns-5-3-1.splunkdns.net, ns-5-3-2.splunkdns.net, ns-5-3-3.splunkdns.net, ns-5-3-4.splunkdns.net, ns-5-3-5.splunkdns.net, ns-5-3-6.splunkdns.net, ns-5-3-7.splunkdns.net, ns-5-3-8.splunkdns.net
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

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

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.

807c9d6fe2872868… google · argon2026h2
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com
Valid: 2025-11-08 00:00:00 → 2026-11-10 23:59:59
807c9d6fe2872868… cloudflare · nimbus2026
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com
Valid: 2025-11-08 00:00:00 → 2026-11-10 23:59:59
0a96336623c15c38… google · argon2026h1
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com, http-inputs-citrixsys.splunkcloud.com, *.http-inputs-citrixsys.splunkcloud.com, akamai-inputs-citrixsys.splunkcloud.com, *.akamai-inputs-citrixsys.splunkcloud.com, http-inputs-ack-citrixsys.splunkcloud.com, *.http-inputs-ack-citrixsys.splunkcloud.com, http-inputs-firehose-citrixsys.splunkcloud.com, *.http-inputs-firehose-citrixsys.splunkcloud.com, *.pvt.citrixsys.splunkcloud.com, pvt.citrixsys.splunkcloud.com
Valid: 2025-03-09 00:00:00 → 2026-03-10 23:59:59
3452768ee4ac4d80… digicert · wyvern2026h1
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com, http-inputs-citrixsys.splunkcloud.com, *.http-inputs-citrixsys.splunkcloud.com, akamai-inputs-citrixsys.splunkcloud.com, *.akamai-inputs-citrixsys.splunkcloud.com, http-inputs-ack-citrixsys.splunkcloud.com, *.http-inputs-ack-citrixsys.splunkcloud.com, http-inputs-firehose-citrixsys.splunkcloud.com, *.http-inputs-firehose-citrixsys.splunkcloud.com, *.pvt.citrixsys.splunkcloud.com, pvt.citrixsys.splunkcloud.com
Valid: 2025-03-09 00:00:00 → 2026-03-10 23:59:59
0a96336623c15c38… google · xenon2026h1
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com, http-inputs-citrixsys.splunkcloud.com, *.http-inputs-citrixsys.splunkcloud.com, akamai-inputs-citrixsys.splunkcloud.com, *.akamai-inputs-citrixsys.splunkcloud.com, http-inputs-ack-citrixsys.splunkcloud.com, *.http-inputs-ack-citrixsys.splunkcloud.com, http-inputs-firehose-citrixsys.splunkcloud.com, *.http-inputs-firehose-citrixsys.splunkcloud.com, *.pvt.citrixsys.splunkcloud.com, pvt.citrixsys.splunkcloud.com
Valid: 2025-03-09 00:00:00 → 2026-03-10 23:59:59
0a96336623c15c38… cloudflare · nimbus2026
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com, http-inputs-citrixsys.splunkcloud.com, *.http-inputs-citrixsys.splunkcloud.com, akamai-inputs-citrixsys.splunkcloud.com, *.akamai-inputs-citrixsys.splunkcloud.com, http-inputs-ack-citrixsys.splunkcloud.com, *.http-inputs-ack-citrixsys.splunkcloud.com, http-inputs-firehose-citrixsys.splunkcloud.com, *.http-inputs-firehose-citrixsys.splunkcloud.com, *.pvt.citrixsys.splunkcloud.com, pvt.citrixsys.splunkcloud.com
Valid: 2025-03-09 00:00:00 → 2026-03-10 23:59:59
3452768ee4ac4d80… google · argon2026h1
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com, http-inputs-citrixsys.splunkcloud.com, *.http-inputs-citrixsys.splunkcloud.com, akamai-inputs-citrixsys.splunkcloud.com, *.akamai-inputs-citrixsys.splunkcloud.com, http-inputs-ack-citrixsys.splunkcloud.com, *.http-inputs-ack-citrixsys.splunkcloud.com, http-inputs-firehose-citrixsys.splunkcloud.com, *.http-inputs-firehose-citrixsys.splunkcloud.com, *.pvt.citrixsys.splunkcloud.com, pvt.citrixsys.splunkcloud.com
Valid: 2025-03-09 00:00:00 → 2026-03-10 23:59:59
3452768ee4ac4d80… cloudflare · nimbus2026
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com, http-inputs-citrixsys.splunkcloud.com, *.http-inputs-citrixsys.splunkcloud.com, akamai-inputs-citrixsys.splunkcloud.com, *.akamai-inputs-citrixsys.splunkcloud.com, http-inputs-ack-citrixsys.splunkcloud.com, *.http-inputs-ack-citrixsys.splunkcloud.com, http-inputs-firehose-citrixsys.splunkcloud.com, *.http-inputs-firehose-citrixsys.splunkcloud.com, *.pvt.citrixsys.splunkcloud.com, pvt.citrixsys.splunkcloud.com
Valid: 2025-03-09 00:00:00 → 2026-03-10 23:59:59
0a96336623c15c38… sectigo · elephant2026h1
Subject: *.citrixsys.splunkcloud.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.citrixsys.splunkcloud.com, citrixsys.splunkcloud.com, idm-citrixsys.splunkcloud.com, *.idm-citrixsys.splunkcloud.com, http-inputs-citrixsys.splunkcloud.com, *.http-inputs-citrixsys.splunkcloud.com, akamai-inputs-citrixsys.splunkcloud.com, *.akamai-inputs-citrixsys.splunkcloud.com, http-inputs-ack-citrixsys.splunkcloud.com, *.http-inputs-ack-citrixsys.splunkcloud.com, http-inputs-firehose-citrixsys.splunkcloud.com, *.http-inputs-firehose-citrixsys.splunkcloud.com, *.pvt.citrixsys.splunkcloud.com, pvt.citrixsys.splunkcloud.com
Valid: 2025-03-09 00:00:00 → 2026-03-10 23:59:59

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
NS ns-5-3-1.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
NS ns-5-3-5.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
NS ns-5-3-7.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
A 34.228.91.38 2026-05-27 08:46:39.912 2026-05-27 17:06:50.048
NS ns-5-3-3.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
NS ns-5-3-4.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
A 3.209.189.180 2026-05-27 08:46:39.912 2026-05-27 17:06:50.048
A 52.55.159.232 2026-05-27 08:46:39.912 2026-05-27 17:06:50.048
NS ns-5-3-2.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
NS ns-5-3-8.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
NS ns-5-3-6.splunkdns.net 2026-05-27 08:46:39.912 2026-07-16 16:32:04.698
A 18.207.145.226 2026-06-18 01:19:43.110 2026-06-18 01:24:08.051
A 3.208.83.164 2026-06-18 01:19:43.110 2026-06-18 01:24:08.051
A 44.193.125.5 2026-06-18 01:19:43.110 2026-06-18 01:24:08.051
A 44.218.9.77 2026-06-19 20:00:12.053 2026-06-20 18:33:42.028
A 3.214.107.216 2026-06-19 20:00:12.053 2026-06-19 20:03:10.235
A 52.54.35.90 2026-06-19 20:00:12.053 2026-06-20 18:33:42.028
A 3.226.107.245 2026-06-20 18:33:42.028 2026-06-20 18:33:42.028
A 3.214.2.52 2026-07-16 16:32:04.698 2026-07-16 16:32:04.698
A 34.206.225.23 2026-07-16 16:32:04.698 2026-07-16 16:32:04.698
A 100.49.57.143 2026-07-16 16:32:04.698 2026-07-16 16:32:04.698