Check-Host.cc

Domain

perplexity.ai

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

Run a live full scan of perplexity.ai

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
24
A/AAAA targets
Subdomains
81
CT + scan + body
Record Types
5
seen in DNS
Observed Certs
24
in our scans

DNS Records

A
104.18.26.48, 104.18.27.48
AAAA
2606:4700::6812:1a30, 2606:4700::6812:1b30
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
emerson.ns.cloudflare.com, jessica.ns.cloudflare.com
TXT
GOOGLE-SITE-VERIFICATION=U9G-VWUZCL2BH8KGPPCM43-J7S0YDSHLDBUDFXJGXS4, MS=ms75545187, PnoIs9mHAvxJ_9Hek1a4qP27oQ, ZOOM_verify_TOGuaujNzVuFZdiK9EyxQ4, _2cbkleln05qqj0n48d9wt1l7p8ugemd, anthropic-domain-verification-0nxh7b=KC5XJ4tf0NfPwfWCzA2o4xBkf, apple-domain-verification=ZMuRv99LHvsS1KTp, cursor-domain-verification-5wqrf2=1wEeLXdDy8nL5srlwT1wz3LxO
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

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

Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: agent-proxy-sandbox.perplexity.ai
Issuer: Amazon RSA 2048 M01
SANs: agent-proxy-sandbox.perplexity.ai
Subject: *.perplexity.ai
Issuer: Amazon RSA 2048 M02
SANs: *.perplexity.ai, perplexity.ai
Subject: edge.perplexity.ai
Issuer: R12
SANs: edge.perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: agent-proxy-sandbox.perplexity.ai
Issuer: Amazon RSA 2048 M01
SANs: agent-proxy-sandbox.perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: CloudFlare Origin Certificate
Issuer: C=US, O=CloudFlare\, Inc., OU=CloudFlare Origin SSL Certificate Authority, L=San Francisco, ST=California
SANs: *.perplexity.ai, perplexity.ai
Subject: *.perplexity.ai
Issuer: Amazon RSA 2048 M02
SANs: *.perplexity.ai, perplexity.ai

IPs Citing This Domain

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

47.79.226.18:443 href · ×3
39.106.87.214:80 href · ×3
46.101.91.72:443 href · ×2
158.101.12.126:80 href · ×2
66.42.121.210:80 href · ×1
49.235.139.91:80 href · ×1
34.118.240.14:80 href · ×1
51.83.122.131:443 href · ×1
44.226.57.195:443 href · ×1
89.240.6.245:443 href · ×1
3.12.39.51:80 href · ×1
91.98.238.137:80 href · ×1
49.232.250.182:443 href · ×1
138.16.183.94:80 href · ×1
163.5.53.21:443 href · ×1
194.147.149.61:80 href · ×1
52.33.7.221:443 href · ×1
141.94.77.250:443 href · ×1
109.94.170.9:443 href · ×1
32.185.30.175:443 href · ×1
62.84.121.52:443 href · ×1
149.28.139.145:80 href · ×1
95.163.176.88:80 href · ×1
5.182.87.41:80 href · ×1
35.212.131.89:80 href · ×1
158.247.217.156:443 href · ×1
44.228.193.218:443 href · ×1
34.209.24.219:443 href · ×1
159.89.55.201:443 href · ×1
47.84.65.163:443 href · ×1
88.218.67.150:80 href · ×1
23.95.67.213:80 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.

Origin IP Origin ASN CDN ASN Confidence Reasoning
50.202.191.111 AS7922 AS13335 95% cert 6d8ab31c… served by 50.202.191.111 (AS7922) carries SAN ai.i.perplexity.ai which currently resolves through Cloudflare (AS13335) at 104.18.26.48, 104.18.27.48, 2606:4700::6812:1b30, 2606:4700::6812:1a30

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

92103fdf70e6d2f7… cloudflare · nimbus2026
Subject: *.perplexity.ai
Issuer: Amazon RSA 2048 M02
SANs: *.perplexity.ai, perplexity.ai
Valid: 2025-07-31 00:00:00 → 2026-08-29 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
TXT slack-domain-verification=yVf6nREGJnj6LBCkLLADFdZbC32dWQ4Nnlpnptqw 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT anthropic-domain-verification-0nxh7b=KC5XJ4tf0NfPwfWCzA2o4xBkf 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
A 104.18.26.48 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT zoom-domain-verification=ZOOM_verify_39653b6a9e88496eb35e41fc586d9ae2 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT stripe-verification=821710750b8dc95b687842d6603d34e3a11d38b8eb098663fd20109562fa64ed 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
AAAA 2606:4700::6812:1a30 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT zapier-domain-verification-challenge=bde234db-a1ee-4c32-85ad-e4c538e51067 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT google-site-verification=qG5LT8x7FYCBk6NsioWebRJ2d2kCRCFpwAINKnNaPoU 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT GOOGLE-SITE-VERIFICATION=U9G-VWUZCL2BH8KGPPCM43-J7S0YDSHLDBUDFXJGXS4 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT PnoIs9mHAvxJ_9Hek1a4qP27oQ 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT ZOOM_verify_TOGuaujNzVuFZdiK9EyxQ4 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
NS jessica.ns.cloudflare.com 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT hubspot-developer-verification=YjMzZTc5ZDktNmMyYi00YTQ4LWIyYjEtM2IxMGZlMTVmZWIx 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
A 104.18.27.48 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT rippling-domain-verification=84aebb4e59f08038 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT apple-domain-verification=ZMuRv99LHvsS1KTp 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT notion-domain-verification=5Dz8REUMU45X6GGssEa56YmEwFOVaZV7cNgWCWke1Io 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT serval-domain-verification-26qz69=rSCOUCGGIYp9DfigtgntdYomP 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT v=spf1 ip4:192.174.84.143 include:_spf.google.com include:mail.zendesk.com include:mailgun.org include:sendgrid.net ~all 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT cursor-domain-verification-5wqrf2=1wEeLXdDy8nL5srlwT1wz3LxO 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
NS emerson.ns.cloudflare.com 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
AAAA 2606:4700::6812:1b30 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT google-gws-recovery-domain-verification=40389003 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT v=MCPv1; k=ed25519; p=sxNC/5jnzmTrAqyOlRTnzXBCpwgGTKacFy5TsSYp+Yg= 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT perplexity-ai-domain-verification-88h07t=oiVGt7nYYgeMpF9XI3L1lAM4t 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
MX 5 alt2.aspmx.l.google.com 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
MX 10 alt4.aspmx.l.google.com 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
MX 1 aspmx.l.google.com 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
MX 10 alt3.aspmx.l.google.com 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT google-site-verification=2p3RCudiqFf4gFvN8xilApMgfMyG-KtCSeGRi8oAIBo 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT google-site-verification=ibVX9i19oU2VW1SgTfQTL4AeOtbgp3WXLj5e7_lm79o 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
MX 5 alt1.aspmx.l.google.com 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT MS=ms75545187 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT docusign=2dd8c5b2-34bc-4010-8dfc-31320fe8ecf3 2026-05-26 03:59:06.816 2026-07-28 14:09:40.278
TXT google-site-verification=l-0uTKc1Uf60LaNt0Pkw1wLOBFEKoBIhUrv0EMr1J4U 2026-05-26 21:57:05.653 2026-07-28 14:09:40.278
TXT protonmail-verification=6ac7d35c79dab9552062e5584ef4a8fb1b7787ce 2026-05-31 01:31:40.805 2026-07-28 14:09:40.278
TXT doordash-verification=zPYw0fbS6lQKOu216TZhcqV1ovP5fM 2026-06-14 23:07:05.130 2026-07-28 14:09:40.278
TXT stripe-verification=914D051C480FE385B2DA0F1AAA80251B398A11417CA17E79FA1F8A3633AB4E47 2026-06-17 00:06:14.431 2026-07-28 14:09:40.278
TXT google-site-verification=cTsF5S_Vd7_vDU3aHhf8BtvPZ_0Oq4Vy9qRF7ZnAGeY 2026-07-15 20:04:13.980 2026-07-28 14:09:40.278
TXT openai-domain-verification=dv-zghu2IboDSNgZtbkqFK3Rxb0 2026-07-15 20:04:13.980 2026-07-28 14:09:40.278
TXT google-site-verification=yh1z5bdB0eCS4wqR1b2qonuJ5d-z6OZk35bmgM1UVHw 2026-07-17 22:15:33.762 2026-07-28 14:09:40.278
TXT _2cbkleln05qqj0n48d9wt1l7p8ugemd 2026-07-22 10:10:50.567 2026-07-28 14:09:40.278