Check-Host.cc

Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Domain

postscript.io

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

DNS Check HTTP Check Run Full Scan .io TLD

Run a live full scan of postscript.io

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

DNS Records

A
—
AAAA
—
MX
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NS
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TXT
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CNAME
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CAA
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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

3.222.184.24:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
34.225.193.225:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
3.219.68.225:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
100.27.91.199:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
35.153.117.110:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
13.223.110.210:443 b779dd7a0414…
Subject: *.corp.postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.corp.postscript.io
13.37.244.111:443 c976d5b57c43…
Subject: vpn-eu2.postscript.io
Issuer: OpenVPN Web CA 2024.02.02 15:48:23 UTC ip-172-31-40-173
SANs: vpn-eu2.postscript.io
3.81.155.196:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
3.224.231.142:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
54.237.55.192:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
44.206.164.233:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
54.235.171.228:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
50.19.15.132:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
18.209.183.67:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
52.206.110.245:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
44.194.49.234:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
32.194.219.218:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
34.238.211.252:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
3.220.35.107:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
34.194.237.24:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
18.213.6.145:443 f3975b75d735…
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

43.154.68.239:443 href · ×3
35.209.47.23:80 href · ×1
35.209.47.23:443 href · ×1

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 mongodb-site-verification=5SBHKpK574sSfg3kGG8EKEXUXUcK2gtR 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT google-site-verification=xpYzzRom7f-LvCHwSEdDLrnL26YkhTaf7VzxlTOEW6k 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT asv=5bfa33852be7f456bbc2062641d2104d 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT 1password-site-verification=NCCZYHHMFBB6HMF35QQS4OEMY4 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT cursor-domain-verification-ytw5gy=ie6wE36eIHOemcFD0rHfoc6CK 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT ZOOM_verify_LxKFRNzPOlJgHv5rxhHTLS 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT jetbrains-domain-verification=5pn1avvpxsp9lec8u7usqifz6 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT apple-domain-verification=CXuReZDy7oxFV15U 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT postman-domain-verification=bdcf50a89838911efcf67cb180efe22d3585e30526139fb026a194959373084fc5284641f638c8ef4bb2c803e67f7d07f455495a137a032a99701fe63b375f68 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
NS ns-2022.awsdns-60.co.uk 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT slack-domain-verification=hcyDllJJd2yJ4Ij9xC0q7A6cRaorZEyTsngW5gsj 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT google-site-verification=QSrXk5fDyhVx5iTeQBU2o6mbe4xSoAZRQcLfj2s4MDw 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
A 99.83.231.61 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
NS ns-1106.awsdns-10.org 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT stripe-verification=bfa3b8a03c3b469fadf2cdfeca37d5190ff86cd971cbff7b665952bcdd245864 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
NS ns-1021.awsdns-63.net 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT v=spf1 include:_spf.google.com include:mailgun.org include:6202253.spf04.hubspotemail.net include:mail.zendesk.com include:_spf.sendergen.com ~all 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT include:mail.zendesk.com 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT atlassian-domain-verification=7ye5iv36NTjpzJaqoEAik1dRGCUDeP/gDTFJRpZvLEgEUdGVfcpUWyaARjDJ4g6D 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
NS ns-448.awsdns-56.com 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
MX 5 alt2.aspmx.l.google.com 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT atlassian-sending-domain-verification=d1ab5438-993d-4ba4-b9cb-411c998cde95 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT openai-domain-verification=dv-Qjn8Sq28UiBlC5kkw6RC3ff8 2026-05-26 04:02:49.330 2026-05-27 17:29:58.988
MX 10 alt4.aspmx.l.google.com 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT anthropic-domain-verification-6bqccc=SBJfPB5VWGjDif82WBy0FeMlz 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT mongodb-site-verification=WryyIpku6yfoDjLp7wMU546F7hbpovcL 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
MX 1 aspmx.l.google.com 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT MS=ms83340184 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
MX 5 alt1.aspmx.l.google.com 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
MX 10 alt3.aspmx.l.google.com 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT openai-domain-verification=dv-VNvAYa6wa3jnClZiZY5eKr3K 2026-05-26 04:02:49.330 2026-07-22 12:53:47.409
TXT zapier-domain-verification-challenge=9c610a5d-9510-4581-a6d1-2d1433c803ed 2026-06-19 14:54:13.812 2026-07-22 12:53:47.409