Check-Host.cc

Domain

speakerdeck.com

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

Run a live full scan of speakerdeck.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
104.20.28.181, 172.66.158.156
AAAA
2606:4700:10::6814:1cb5, 2606:4700:10::ac42:9e9c
MX
1 aspmx.l.google.com, 10 aspmx2.googlemail.com, 10 aspmx3.googlemail.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
john.ns.cloudflare.com, nola.ns.cloudflare.com
TXT
ALIAS for speakerdeck.com.herokudns.com, facebook-domain-verification=5rzw9hjdxxzobpi4p6lk9tlvpldfej, google-site-verification=3ggCXuHu3Wkywh0QJ4MVBy9jz0MMfAEVJGNVQP56eyY, google-site-verification=U0zznvYUS5x_csx7-HqM5TJh-EGrTvjQOR7wCPGyv74, stripe-verification=51e5bf1257eaab3496a4c15cdce19f2c27d591dd7d87097e936b1fbc2e84a855, v=spf1 include:mailgun.org ~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

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
AAAA 2606:4700:10::ac42:9e9c 2026-05-25 21:56:50.553 2026-07-27 20:43:03.212
A 172.66.158.156 2026-05-25 21:56:50.553 2026-07-27 20:43:03.212
A 104.20.28.181 2026-05-25 21:56:50.553 2026-07-27 20:43:03.212
AAAA 2606:4700:10::6814:1cb5 2026-05-25 21:56:50.553 2026-07-27 20:43:03.212
TXT stripe-verification=51e5bf1257eaab3496a4c15cdce19f2c27d591dd7d87097e936b1fbc2e84a855 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
TXT ALIAS for speakerdeck.com.herokudns.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
TXT google-site-verification=3ggCXuHu3Wkywh0QJ4MVBy9jz0MMfAEVJGNVQP56eyY 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
MX 10 aspmx3.googlemail.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
TXT v=spf1 include:mailgun.org ~all 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
TXT facebook-domain-verification=5rzw9hjdxxzobpi4p6lk9tlvpldfej 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
NS nola.ns.cloudflare.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
MX 10 aspmx2.googlemail.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
TXT google-site-verification=U0zznvYUS5x_csx7-HqM5TJh-EGrTvjQOR7wCPGyv74 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
MX 5 alt2.aspmx.l.google.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
MX 1 aspmx.l.google.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
NS john.ns.cloudflare.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212
MX 5 alt1.aspmx.l.google.com 2026-05-26 03:15:29.400 2026-07-27 20:43:03.212