Check-Host.cc

Domain

postscript.io

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

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

DNS Records

A
99.83.231.61
AAAA
MX
1 aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
ns-1021.awsdns-63.net, ns-1106.awsdns-10.org, ns-2022.awsdns-60.co.uk, ns-448.awsdns-56.com
TXT
1password-site-verification=NCCZYHHMFBB6HMF35QQS4OEMY4, MS=ms83340184, ZOOM_verify_LxKFRNzPOlJgHv5rxhHTLS, anthropic-domain-verification-6bqccc=SBJfPB5VWGjDif82WBy0FeMlz, apple-domain-verification=CXuReZDy7oxFV15U, asv=5bfa33852be7f456bbc2062641d2104d, atlassian-domain-verification=7ye5iv36NTjpzJaqoEAik1dRGCUDeP/gDTFJRpZvLEgEUdGVfcpUWyaARjDJ4g6D, atlassian-sending-domain-verification=d1ab5438-993d-4ba4-b9cb-411c998cde95
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
status.postscript.io 2026-07-25 02:11:47.833
browse-events-service.postscript.io 2026-06-03 11:32:56.109
dev-browse-events-service.postscript.io 2026-06-03 05:19:55.846
dev-sdk-api.postscript.io 2026-06-23 09:41:58.324
developers.postscript.io 2026-07-28 07:18:38.145
help.postscript.io 2026-07-22 14:35:39.869
marketing.postscript.io 2026-07-22 12:53:47.409
sdk-images.postscript.io 2026-07-28 17:23:57.234
www.postscript.io 2026-07-22 12:53:47.409
shop.postscript.io 2026-06-24 02:04:06.952
strat.internal.postscript.io 2026-07-27 09:00:22.844
1password-scim.postscript.io 2026-06-04 07:29:24.925
a.postscript.io
1970-01-01 00:00:00.000
corp.postscript.io
1970-01-01 00:00:00.000
dev-websockets.postscript.io
1970-01-01 00:00:00.000
dev.postscript.io
1970-01-01 00:00:00.000
files.postscript.io 2026-06-19 07:59:03.016
internal.postscript.io
1970-01-01 00:00:00.000
marketing-components.postscript.io
1970-01-01 00:00:00.000
omni.postscript.io
1970-01-01 00:00:00.000
postscript.io 2026-07-22 12:53:47.409
previews.postscript.io
1970-01-01 00:00:00.000
register.postscript.io
1970-01-01 00:00:00.000
sdk-api-proxy.postscript.io
1970-01-01 00:00:00.000
sdk-dev.postscript.io
1970-01-01 00:00:00.000
sdk2.postscript.io
1970-01-01 00:00:00.000
staging.postscript.io
1970-01-01 00:00:00.000
vpn-eu2.postscript.io 2026-06-14 23:37:38.836

Tech Stack

Tech detection pending

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

TLS Certificates

Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: *.corp.postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.corp.postscript.io
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
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io
Subject: postscript.io
Issuer: Amazon RSA 2048 M01
SANs: *.postscript.io, postscript.io

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 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