Check-Host.cc

Domain

1xbook.us

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

Run a live full scan of 1xbook.us

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
28
A/AAAA targets
Subdomains
5
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
4
in our scans

DNS Records

A
13.32.220.110, 13.32.220.112, 13.32.220.38, 13.32.220.95, 143.204.55.110, 143.204.55.112, 143.204.55.50, 143.204.55.82
AAAA
MX
NS
ns-1302.awsdns-34.org, ns-1937.awsdns-50.co.uk, ns-216.awsdns-27.com, ns-972.awsdns-57.net
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

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
1xbook.us 2026-06-18 00:37:04.204
ophu-dev.1xbook.us
1970-01-01 00:00:00.000

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: *.1xbook.us
Issuer: Amazon RSA 2048 M04
SANs: *.1xbook.us

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.

80b37fff063e093e… cloudflare · nimbus2026
Subject: 1xbook.us
Issuer: Amazon RSA 2048 M04
SANs: 1xbook.us
Valid: 2025-11-19 00:00:00 → 2026-12-18 23:59:59
df602c13a88e943f… google · argon2026h2
Subject: 1xbook.us
Issuer: Amazon RSA 2048 M04
SANs: 1xbook.us
Valid: 2025-11-19 00:00:00 → 2026-12-18 23:59:59
80b37fff063e093e… google · xenon2026h2
Subject: 1xbook.us
Issuer: Amazon RSA 2048 M04
SANs: 1xbook.us
Valid: 2025-11-19 00:00:00 → 2026-12-18 23:59:59
df602c13a88e943f… google · xenon2026h2
Subject: 1xbook.us
Issuer: Amazon RSA 2048 M04
SANs: 1xbook.us
Valid: 2025-11-19 00:00:00 → 2026-12-18 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
NS ns-216.awsdns-27.com 2026-05-31 15:52:46.288 2026-06-18 00:37:04.204
A 54.192.35.117 2026-05-31 15:52:46.288 2026-06-16 13:33:55.581
A 54.192.35.9 2026-05-31 15:52:46.288 2026-06-16 13:33:55.581
NS ns-1302.awsdns-34.org 2026-05-31 15:52:46.288 2026-06-18 00:37:04.204
A 54.192.35.95 2026-05-31 15:52:46.288 2026-06-16 13:33:55.581
NS ns-1937.awsdns-50.co.uk 2026-05-31 15:52:46.288 2026-06-18 00:37:04.204
NS ns-972.awsdns-57.net 2026-05-31 15:52:46.288 2026-06-18 00:37:04.204
A 54.192.35.67 2026-05-31 15:52:46.288 2026-06-16 13:33:55.581
A 3.173.161.89 2026-05-31 15:54:59.612 2026-06-18 00:37:04.204
A 3.173.161.88 2026-05-31 15:54:59.612 2026-06-18 00:37:04.204
A 3.173.161.27 2026-05-31 15:54:59.612 2026-06-18 00:37:04.204
A 3.173.161.44 2026-05-31 15:54:59.612 2026-06-18 00:37:04.204
A 13.32.220.112 2026-05-31 16:30:31.866 2026-05-31 16:30:31.866
A 13.32.220.110 2026-05-31 16:30:31.866 2026-05-31 16:30:31.866
A 13.32.220.38 2026-05-31 16:30:31.866 2026-05-31 16:30:31.866
A 13.32.220.95 2026-05-31 16:30:31.866 2026-05-31 16:30:31.866
A 52.222.154.92 2026-05-31 18:10:31.875 2026-06-05 05:59:55.448
A 52.222.154.24 2026-05-31 18:10:31.875 2026-06-05 05:59:55.448
A 52.222.154.93 2026-05-31 18:10:31.875 2026-06-05 05:59:55.448
A 52.222.154.8 2026-05-31 18:10:31.875 2026-06-05 05:59:55.448
A 143.204.55.50 2026-06-01 18:33:44.605 2026-06-05 14:18:26.143
A 143.204.55.112 2026-06-01 18:33:44.605 2026-06-05 14:18:26.143
A 143.204.55.82 2026-06-01 18:33:44.605 2026-06-05 14:18:26.143
A 143.204.55.110 2026-06-01 18:33:44.605 2026-06-05 14:18:26.143
A 52.84.118.17 2026-06-02 12:44:11.638 2026-06-02 12:44:11.638
A 52.84.118.110 2026-06-02 12:44:11.638 2026-06-02 12:44:11.638
A 52.84.118.108 2026-06-02 12:44:11.638 2026-06-02 12:44:11.638
A 52.84.118.72 2026-06-02 12:44:11.638 2026-06-02 12:44:11.638
A 52.84.45.9 2026-06-04 19:52:25.883 2026-06-05 13:18:43.450
A 52.84.45.62 2026-06-04 19:52:25.883 2026-06-05 13:18:43.450
A 52.84.45.75 2026-06-04 19:52:25.883 2026-06-05 13:18:43.450
A 52.84.45.66 2026-06-04 19:52:25.883 2026-06-05 13:18:43.450