HOW.IS
?

How is perplexity.ai?

Looks fine risk 0/100

Registered 4 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 81 ms.

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

How perplexity.ai looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
81 ms
HTTPS
87 d
left on a Google Trust Services certificate
Age
4 years
registered 2022-07-08
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A104.18.27.48
104.18.26.48
AAAA2606:4700::6812:1b30
2606:4700::6812:1a30
MX10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
1 aspmx.l.google.com
NSemerson.ns.cloudflare.com
jessica.ns.cloudflare.com
TXTGOOGLE-SITE-VERIFICATION=U9G-VWUZCL2BH8KGPPCM43-J7S0YDSHLDBUDFXJGXS4
slack-domain-verification=yVf6nREGJnj6LBCkLLADFdZbC32dWQ4Nnlpnptqw
apple-domain-verification=ZMuRv99LHvsS1KTp
verification_token=7d0XHNayu5qWdvWGAf4UAtO0l
protonmail-verification=6ac7d35c79dab9552062e5584ef4a8fb1b7787ce
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google-site-verification=yh1z5bdB0eCS4wqR1b2qonuJ5d-z6OZk35bmgM1UVHw
docusign=2dd8c5b2-34bc-4010-8dfc-31320fe8ecf3
yahoo-verification-key=vBu2bXeBavFfHf4WuevqaMeUrNpQ43lhKi3wrXSzorE=
v=spf1 ip4:192.174.84.143 include:_spf.google.com include:mailgun.org include:sendgrid.net ~all
anthropic-domain-verification-0nxh7b=KC5XJ4tf0NfPwfWCzA2o4xBkf
google-site-verification=qG5LT8x7FYCBk6NsioWebRJ2d2kCRCFpwAINKnNaPoU
stripe-verification=821710750b8dc95b687842d6603d34e3a11d38b8eb098663fd20109562fa64ed
perplexity-ai-domain-verification-88h07t=oiVGt7nYYgeMpF9XI3L1lAM4t
notion-domain-verification=5Dz8REUMU45X6GGssEa56YmEwFOVaZV7cNgWCWke1Io
rippling-domain-verification=84aebb4e59f08038
google-site-verification=OAZoywII4QbDlh4PIPpr34Zbe0MZMsEc4XTCWMCJftU
hubspot-developer-verification=YjMzZTc5ZDktNmMyYi00YTQ4LWIyYjEtM2IxMGZlMTVmZWIx
zapier-domain-verification-challenge=bde234db-a1ee-4c32-85ad-e4c538e51067
cursor-domain-verification-5wqrf2=1wEeLXdDy8nL5srlwT1wz3LxO
google-site-verification=2p3RCudiqFf4gFvN8xilApMgfMyG-KtCSeGRi8oAIBo
google-site-verification=l-0uTKc1Uf60LaNt0Pkw1wLOBFEKoBIhUrv0EMr1J4U
google-gws-recovery-domain-verification=40389003
stripe-verification=914D051C480FE385B2DA0F1AAA80251B398A11417CA17E79FA1F8A3633AB4E47
MS=ms75545187
serval-domain-verification-26qz69=rSCOUCGGIYp9DfigtgntdYomP
PnoIs9mHAvxJ_9Hek1a4qP27oQ
doordash-verification=zPYw0fbS6lQKOu216TZhcqV1ovP5fM
google-site-verification=cTsF5S_Vd7_vDU3aHhf8BtvPZ_0Oq4Vy9qRF7ZnAGeY
zoom-domain-verification=ZOOM_verify_39653b6a9e88496eb35e41fc586d9ae2
google-site-verification=ibVX9i19oU2VW1SgTfQTL4AeOtbgp3WXLj5e7_lm79o
v=MCPv1; k=ed25519; p=sxNC/5jnzmTrAqyOlRTnzXBCpwgGTKacFy5TsSYp+Yg=
ZOOM_verify_TOGuaujNzVuFZdiK9EyxQ4
openai-domain-verification=dv-zghu2IboDSNgZtbkqFK3Rxb0
CAA{'type': 'CAA', 'critical': 0, 'issuewild': 'amazon.com'}
{'type': 'CAA', 'issue': 'amazon.com', 'critical': 0}
{'type': 'CAA', 'iodef': 'mailto:security@perplexity.ai', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'pki.goog; cansignhttpexchanges=yes'}
{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'ssl.com'}
{'type': 'CAA', 'issue': 'comodoca.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'godaddy.com'}
{'type': 'CAA', 'issue': 'pki.goog; cansignhttpexchanges=yes', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'letsencrypt.org'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'comodoca.com'}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'issue': 'ssl.com', 'critical': 0}
{'type': 'CAA', 'issue': 'digicert.com; cansignhttpexchanges=yes', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'digicert.com; cansignhttpexchanges=yes'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'sectigo.com'}
{'type': 'CAA', 'issue': 'godaddy.com', 'critical': 0}
RegistrationGoDaddy.com, LLC
registrarGoDaddy.com, LLC
registered2022-07-08
expires2034-07-08
last changed2026-08-12
ownerDomains By Proxy, LLC
nameserversjessica.ns.cloudflare.com
emerson.ns.cloudflare.com
statusclient delete prohibited
client renew prohibited
client transfer prohibited
client update prohibited
registered 2022-07-08expires 2034-07-08
HTTPS certificate87 days left
validyes
issuerGoogle Trust Services
coversperplexity.ai, finance-search.docs.perplexity.ai, *.finance-search.docs.perplexity.ai
protocolTLSv1.3
issued 2026-10-24expires 2027-01-22
DNSSECinsecure

Domain is not signed with DNSSEC

. → ai → perplexity.ai
Email authenticationexcellent
SPFpass v=spf1 ip4:192.174.84.143 include:_spf.google.com include:mailgun.org include:sendgrid.net ~all
DMARCpass policy reject
DKIMfound: google, s1, s2

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade A · 175/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
45/45missing: DKIM Presence
Advanced Security
25/25
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 8 lookups
SURBL MultidomainURIBL MultidomainSpamCop104.18.27.48Barracuda104.18.27.48UCEPROTECT Level 1104.18.27.48SpamCop104.18.26.48Barracuda104.18.26.48UCEPROTECT Level 1104.18.26.48

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=perplexity.ai" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=perplexity.ai"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on perplexity.ai. Reference: /llms.txt.

Watch perplexity.ai. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days