Check-Host.cc

Domain

l4d.com

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

Run a live full scan of l4d.com

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

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

DNS Records

A
104.102.22.50, 104.126.125.147, 173.223.113.143, 184.24.161.37, 184.25.219.75, 184.31.66.9, 2.23.136.4, 23.213.69.74
AAAA
MX
10 us-smtp-inbound-1.mimecast.com, 10 us-smtp-inbound-2.mimecast.com
NS
a1-194.akam.net, a2-64.akam.net, a22-67.akam.net, a24-64.akam.net, a7-66.akam.net, a9-66.akam.net
TXT
v=spf1 mx include:_netblocks.mimecast.com -all
CNAME
CAA
0 iodef "mailto:ssl-abuse@valvesoftware.com", 0 issue "digicert.com", 0 issue "letsencrypt.org"

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
NS a1-194.akam.net 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
MX 10 us-smtp-inbound-2.mimecast.com 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
A 23.37.62.52 2026-05-31 04:25:40.750 2026-05-31 04:25:40.750
NS a9-66.akam.net 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
TXT v=spf1 mx include:_netblocks.mimecast.com -all 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
NS a2-64.akam.net 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
NS a22-67.akam.net 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
MX 10 us-smtp-inbound-1.mimecast.com 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
NS a7-66.akam.net 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
NS a24-64.akam.net 2026-05-31 04:25:40.750 2026-07-27 21:48:21.645
A 23.55.224.97 2026-05-31 13:23:40.817 2026-07-27 07:28:02.530
A 104.102.22.50 2026-06-01 10:17:37.538 2026-07-19 15:00:30.002
CAA 0 iodef "mailto:ssl-abuse@valvesoftware.com" 2026-06-01 10:17:37.538 2026-07-27 21:48:21.645
CAA 0 issue "digicert.com" 2026-06-01 10:17:37.538 2026-07-27 21:48:21.645
CAA 0 issue "letsencrypt.org" 2026-06-01 10:17:37.538 2026-07-27 21:48:21.645
A 184.24.161.37 2026-06-01 21:42:30.600 2026-07-25 21:24:24.275
A 2.23.136.4 2026-07-17 19:41:30.447 2026-07-23 06:49:31.740
A 23.213.69.74 2026-07-22 07:23:51.561 2026-07-22 22:32:04.940
A 104.126.125.147 2026-07-22 17:30:24.264 2026-07-22 17:30:24.264
A 184.31.66.9 2026-07-23 16:24:30.589 2026-07-23 16:24:30.589
A 173.223.113.143 2026-07-27 12:21:18.087 2026-07-27 12:21:18.087
A 184.25.219.75 2026-07-27 21:48:21.645 2026-07-27 21:48:21.645