Check-Host.cc

Domain

devv.ai

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

Run a live full scan of devv.ai

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
76.76.21.21
AAAA
MX
1 mx1.feishu.cn, 10 mx3.feishu.cn, 5 mx2.feishu.cn
NS
ns-10.awsdns-01.com, ns-1183.awsdns-19.org, ns-1688.awsdns-19.co.uk, ns-542.awsdns-03.net
TXT
v=spf1 +include:_netblocks.m.feishu.cn -all, verification-code-site-App_feishu=240I5nfrRZI8QQuaVRKa
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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Subdomain Resolves to Last seen
static.devv.ai 2026-07-20 04:28:26.287
devv.ai 2026-07-31 20:00:14.547

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
MX 5 mx2.feishu.cn 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
MX 1 mx1.feishu.cn 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
NS ns-1183.awsdns-19.org 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
NS ns-1688.awsdns-19.co.uk 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
TXT verification-code-site-App_feishu=240I5nfrRZI8QQuaVRKa 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
A 76.76.21.21 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
TXT v=spf1 +include:_netblocks.m.feishu.cn -all 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
NS ns-10.awsdns-01.com 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
NS ns-542.awsdns-03.net 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547
MX 10 mx3.feishu.cn 2026-05-26 04:11:07.627 2026-07-31 20:00:14.547