HOW.IS
?

How is tripadvisor.com?

Looks fine risk 0/100

Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 68 ms.

Why

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

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

How tripadvisor.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
68 ms
HTTPS
128 d
left on a Amazon certificate
Age
28 years
registered 1999-03-23
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A18.165.83.45
18.165.83.11
18.165.83.2
18.165.83.60
MX10 smtp.google.com
NSns-1455.awsdns-53.org
ns-1702.awsdns-20.co.uk
ns-218.awsdns-27.com
ns-584.awsdns-09.net
TXTsprout-social-85a564fb-ff50-11ef-b8c4-0e418c465417
cursor-domain-verification-bwta0g=rGWNgTQrx8pQ3A5XE0S1XxKzM
google-site-verification=u10Ue1BCmah8YviQ9Ju9IqSP-xZtlgEnBloxhP5Lhn8
_18y5y646xcsfq732og6fu2xmgabh125
zapier-domain-verification-challenge=e7c8b772-89e7-420e-b76b-3a084b0bbf83
astro-domain-verification=cmhtl2g8213y801lqzjo38fe8
atlassian-domain-verification=w2N0fg0r/RRZCQ7UgNfpKKFXJH1kvCtLacvj/HzML7VZYyhEDT7N1skt744NCyxJ
pendo-domain-verification=M8PpCcCrkPq-ll2Fr1arfZA1YvI
_globalsign-domain-verification=GaLfs98jrznUbwIzD2n4S8pINM0PU-EyBVWkTTQvp9
anthropic-domain-verification-pc5mq6=ebxPo8aNNofNaqlqU65hyJHjA
duo_sso_verification=N763Lu3Yt0ygaRnHrvqziKZ7YVtOU95w7GXyHhCljSOT7d1KVi7z2TSRd5BR4a3Q
docusign=f4d14366-23f0-482a-bc08-98b15bd25db6
stripe-verification=A71BECF4CEF430F171A6A2382BEECE6A64B9633FC460020EB8A205A95669B679
facebook-domain-verification=rld5ayte5pgnngj4ljg2ovn3kaeo4q
b4jddSWKFAZrS-Y8QD1o7T2nzdk
spf2.0/pra
docker-verification=a6e2315b-2f86-428a-84d7-52270aea1853
protonmail-verification=5e35a64e327cebe41439dc21e8657f78970c051a
onetrust-domain-verification=9214adc265ab47e992a332150c6a315b
v=spf1 include:_spf.tripadvisor.com include:mail.zendesk.com ~all
cisco-ci-domain-verification=6de74e9c24339dc358b099e999ca47c34dd162c04f635f9810372e2000ad9f57
openai-domain-verification=dv-5I8xhFhqZatLn3rbDbmtgpc2
bugcrowd-verification=4889742e219d4b280f2d3673d147a6a9
_2erojipq9p68ygptyqgypy83ah2dnzz
jamf-site-verification=Ac2uXdbieW6reJXv2o4UQw
segment-site-verification=Lv56Wm7ECxH2FrJtoG9FmQ77Co6nf93L
miro-verification=6ff1de40e337f458d05086183318e55305c99fe1
asv=d902c0e169042b928445d5bc9a610e24
bitrise-verification=b03d9c7c59423f9c-nSSshb2Ef1iv
twilio-domain-verification=57fba14b7bba9c1c99652540a081cc79
teamviewer-sso-verification=b42c480c302645eb8ed8f32688556be4
google-site-verification=X2t67BpkF1yZmnC_6vEmtgnTvBo_PL7IOTtiZm3km6M
MS=ms43904515
jetbrains-domain-verification=5zlraawspitiqhi2hp4wizy31
google-site-verification=XMWC5EUo1s-TCtWPBEwzBDLUHqlmf-UcS-t7E8YRlmw
bnyGlxykTsBZSdNWWe3jXJ5tVU2U7gsTx6UjsZyIpHk=
datadome-domain-verify=LtwSY8f9UsuWkflYriVEN5xJW7jb1OGB
_rruo605cp2nhmem13l4umnc9qnoylvg
apple-domain-verification=jtPwxHyUkw7GVjBd
perplexity-ai-domain-verification-2hn78f=hnjr1IgErK6Rjhxpscmyv9Ztq
MS=E0371C101EE1151078A9F24A7375E7021319CF9E
docusign=4c82afdc-4187-4e03-9e78-8dbdc5ed7d0d
pardot_211512_*=005e7416cb39efdf4ede9f02352c05fe01bf0e6c5435039550bdab7d707cae58
RegistrationCSC Corporate Domains, Inc.
registrarCSC Corporate Domains, Inc.
registered1999-03-23
expires2027-03-23
last changed2026-03-19
ownerTripAdvisor LLC
nameserversns-1455.awsdns-53.org
ns-1702.awsdns-20.co.uk
ns-218.awsdns-27.com
ns-584.awsdns-09.net
statusclient transfer prohibited
registered 1999-03-23expires 2027-03-23
HTTPS certificate128 days left
validyes
issuerAmazon
coverstripadvisor.com, tripadvisor.jp, tripadvisor.dk, tripadvisor.com.eg, tripadvisor.fr, tripadvisor.ua, tripadvisor.co.nz, tripadvisor.nl, tripadvisor.com.my, tripadvisor.com.mx, tripadvisor.rs, tripadvisor.com.gr
protocolTLSv1.3
issued 2026-08-19expires 2027-03-04
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → tripadvisor.com
Email authenticationexcellent
SPFpass v=spf1 include:_spf.tripadvisor.com include:mail.zendesk.com ~all
DMARCpass policy reject
DKIMfound: google, selector1, selector2, s1, s2

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

Security scoregrade B · 160/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 14 lookups
SURBL MultidomainURIBL MultidomainSpamCop18.165.83.2Barracuda18.165.83.2UCEPROTECT Level 118.165.83.2SpamCop18.165.83.60Barracuda18.165.83.60UCEPROTECT Level 118.165.83.60SpamCop18.165.83.45Barracuda18.165.83.45UCEPROTECT Level 118.165.83.45SpamCop18.165.83.11Barracuda18.165.83.11UCEPROTECT Level 118.165.83.11

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=tripadvisor.com" \ -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=tripadvisor.com"

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

Watch tripadvisor.com. 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