Check-Host.cc

Domain

support.atlassian.com

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

Run a live full scan of support.atlassian.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
12
A/AAAA targets
Subdomains
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
143.204.238.106, 143.204.238.115, 143.204.238.48, 143.204.238.71, 18.239.69.22, 18.239.69.8, 18.239.69.90, 18.239.69.97
AAAA
MX
10 mxa-001d9801.gslb.pphosted.com, 10 mxb-001d9801.gslb.pphosted.com
NS
TXT
atlassian-domain-verification=JxhV/ZhZkrHgVYscIkTb0uMQ/pZKY49/9ooO9KLUmIFve3PmWY8TFJSMQTmgLgv/, v=spf1 -all
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: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.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.

26a8e31f9271488c… google · xenon2026h2
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Valid: 2026-03-30 00:00:00 → 2026-10-13 23:59:59
b84e9b78d6ea2116… google · xenon2026h2
Subject: support.atlassian.com
Issuer: Amazon RSA 2048 M04
SANs: support.atlassian.com
Valid: 2026-03-30 00:00:00 → 2026-10-13 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
TXT v=spf1 -all 2026-05-26 03:07:47.855 2026-07-28 20:23:38.809
A 99.84.152.123 2026-05-26 03:07:47.855 2026-07-28 20:14:18.483
A 99.84.152.7 2026-05-26 03:07:47.855 2026-07-28 20:14:18.483
TXT atlassian-domain-verification=JxhV/ZhZkrHgVYscIkTb0uMQ/pZKY49/9ooO9KLUmIFve3PmWY8TFJSMQTmgLgv/ 2026-05-26 03:07:47.855 2026-07-28 20:23:38.809
MX 10 mxb-001d9801.gslb.pphosted.com 2026-05-26 03:07:47.855 2026-07-28 20:23:38.809
MX 10 mxa-001d9801.gslb.pphosted.com 2026-05-26 03:07:47.855 2026-07-28 20:23:38.809
A 99.84.152.30 2026-05-26 03:07:47.855 2026-07-28 20:14:18.483
A 99.84.152.70 2026-05-26 03:07:47.855 2026-07-28 20:14:18.483
A 18.239.69.90 2026-06-15 00:54:33.538 2026-07-28 20:23:38.809
A 18.239.69.97 2026-06-15 00:54:33.538 2026-07-28 20:23:38.809
A 18.239.69.8 2026-06-15 00:54:33.538 2026-07-28 20:23:38.809
A 18.239.69.22 2026-06-15 00:54:33.538 2026-07-28 20:23:38.809
A 143.204.238.115 2026-07-19 20:43:31.711 2026-07-19 20:43:31.711
A 143.204.238.48 2026-07-19 20:43:31.711 2026-07-19 20:43:31.711
A 143.204.238.106 2026-07-19 20:43:31.711 2026-07-19 20:43:31.711
A 143.204.238.71 2026-07-19 20:43:31.711 2026-07-19 20:43:31.711