Check-Host.cc

Domain

langchain.com

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

Run a live full scan of langchain.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
AAAA
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

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.

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 google-site-verification=nezqC2hbpeFSFJDIKE_6_ADSKsl4j9dTvwk782NSL9E 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
NS ns-cloud-c1.googledomains.com 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issue "sectigo.com" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT linkedin-site-verification=f15545d4-d50f-424a-9076-ceebd5e91424 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT v=spf1 include:_spf.google.com include:242623570.spf06.hubspotemail.net include:servers.mcsv.net ~all 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT google-site-verification=wUPxN5SwJJSQGceU6cVjpkHI-08DZaqJSlAgg_55nj4 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT xbuvf8ogot 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT MS=ms60202630 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
NS ns-cloud-c3.googledomains.com 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issue "amazon.com" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT google-site-verification=wP16h2Joxep73RW-Hb8fneAizDK4FCn_6a4DnsbOdrM 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issuewild "sectigo.com" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
MX 1 smtp.google.com 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT google-site-verification=d192uA19ZkwkREu9NZKM9hxDB1t90uIMHp5gFbBBuzw 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issue "digicert.com; cansignhttpexchanges=yes" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
NS ns-cloud-c4.googledomains.com 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issuewild "letsencrypt.org" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
A 198.202.211.1 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
NS ns-cloud-c2.googledomains.com 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issue "letsencrypt.org" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
CAA 0 issue "pki.goog; cansignhttpexchanges=yes" 2026-05-27 12:13:36.011 2026-07-20 21:28:22.302
TXT google-site-verification=MZV-DrUglhroyDj0lCk7AP5YOKy4GGEgUaIyLjCXEb8 2026-07-15 20:04:13.980 2026-07-20 21:28:22.302