Check-Host.cc

Domain

sdlt.co.uk

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

Run a live full scan of sdlt.co.uk

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

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
online.sdlt.co.uk 2026-06-14 23:22:00.742
sdlt.co.uk 2026-06-16 20:30:18.034

Tech Stack

Tech detection pending

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

TLS Certificates

Subject: *.online.sdlt.co.uk
Issuer: Amazon RSA 2048 M03
SANs: *.online.sdlt.co.uk, online.sdlt.co.uk
Subject: sdlt.co.uk
Issuer: Amazon RSA 2048 M01
SANs: *.sdlt.co.uk, sdlt.co.uk
Subject: *.online.sdlt.co.uk
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.online.sdlt.co.uk, online.sdlt.co.uk

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 v=spf1 a mx ip4:78.86.154.1/24 ip4:87.194.255.1/24 ip4:188.222.202.137 include:spf.protection.outlook.com a:master.formevo.co.uk a:slave.formevo.co.uk ~all 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
MX 0 sdlt-co-uk.mail.protection.outlook.com 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
A 35.176.167.241 2026-05-27 03:11:55.634 2026-05-27 03:11:55.634
NS ns-1580.awsdns-05.co.uk 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
A 13.134.8.80 2026-05-27 03:11:55.634 2026-05-27 03:11:55.634
NS ns-64.awsdns-08.com 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
TXT google-site-verification=-LqgyfyCKtrhK2zUd3yHwP4Wpw1VCSvy8N2UGhPJClo 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
SRV _sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
NS ns-556.awsdns-05.net 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
NS ns-1515.awsdns-61.org 2026-05-27 03:11:55.634 2026-06-16 20:30:18.034
A 13.135.49.142 2026-06-16 20:30:18.034 2026-06-16 20:30:18.034
A 13.135.127.192 2026-06-16 20:30:18.034 2026-06-16 20:30:18.034