HOW.IS
?

How is yahoo.com?

Looks fine risk 0/100

Registered 32 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 317 ms.

Why

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

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

How yahoo.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
317 ms · ends at www.yahoo.com
HTTPS
66 d
left on a DigiCert Inc certificate
Age
32 years
registered 1995-01-18
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A74.6.143.25
74.6.143.26
74.6.231.21
74.6.231.20
98.137.11.164
98.137.11.163
AAAA2001:4998:124:1507::f001
2001:4998:44:3507::8000
2001:4998:124:1507::f000
2001:4998:44:3507::8001
2001:4998:24:120d::1:1
2001:4998:24:120d::1:0
MX1 mta7.am0.yahoodns.net
1 mta5.am0.yahoodns.net
1 mta6.am0.yahoodns.net
NSns4.yahoo.com
ns5.yahoo.com
ns1.yahoo.com
ns3.yahoo.com
ns2.yahoo.com
TXTgoogle-site-verification=w4N2bNopAWw1xYrdXKORILxx-WW3_LIiyX6dIMIidgk
_globalsign-domain-verification=3rQPnwMFlx5UmUzSMV-JeDoNEMeG8BYFKvKDsHEzr9
edb3bff2c0d64622a9b2250438277a59
google-site-verification=GU8WAl0zPqaxdcZqDjuN7pqdfPCpR9Amz9rwxMG91qw
google-site-verification=Z3-Vh6zqUMgybVH4wQl1GxKSKN7JE13kyCyeZ3TZZ-I
google-site-verification=xoBvU6aKxP0gYgNL0iXqF0EccAg6nFrO7XxsHnc3iNQ
google-site-verification=GLp01gkFNopm_JItbLxml4iuVbTgJa3rKu0-eq1RvsE
Zoom=13284637
v=spf1 redirect=_spf.mail.yahoo.com
google-site-verification=2b8irRvU5a2h4Mb-H_fdqNrqWjS00qmPfPcWqm8BhxI
facebook-domain-verification=gysqrcd69g0ej34f4jfn0huivkym1p
google-site-verification=2b0Glh8l2icXIAgAcjOcFx16Jt26yWDgEyrk5hPD-ZY
CAA{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0}
{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'iodef': 'mailto:security@yahooinc.com', 'critical': 0}
{'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0}
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered1995-01-18
expires2027-01-19
last changed2025-12-18
ownerREDACTED FOR PRIVACY
nameserversns1.yahoo.com
ns2.yahoo.com
ns3.yahoo.com
ns4.yahoo.com
ns5.yahoo.com
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 1995-01-18expires 2027-01-19
HTTPS certificate66 days left
validyes
issuerDigiCert Inc
coversyahoo.com, tw.rd.yahoo.com, s.yimg.com, mbp.yimg.com, hk.rd.yahoo.com, fr-ca.rogers.yahoo.com, ddl.fp.yahoo.com, ca.rogers.yahoo.com, ca.my.yahoo.com, brb.yahoo.net, add.my.yahoo.com, *.yahoo.com
protocolTLSv1.3
issued 2026-10-07expires 2026-12-30
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → yahoo.com
Email authenticationfair
SPFwarning v=spf1 redirect=_spf.mail.yahoo.com
DMARCpass policy reject
DKIMnone of 1 common selectors

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

Security scoregrade B · 168/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
38/45missing: SPF Record, DKIM Presence
Advanced Security
25/25
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 17 lookups
SURBL MultidomainURIBL MultidomainSpamCop74.6.231.21Barracuda74.6.231.21UCEPROTECT Level 174.6.231.21SpamCop98.137.11.164Barracuda98.137.11.164UCEPROTECT Level 198.137.11.164SpamCop74.6.143.25Barracuda74.6.143.25UCEPROTECT Level 174.6.143.25SpamCop98.137.11.163Barracuda98.137.11.163UCEPROTECT Level 198.137.11.163SpamCop74.6.231.20Barracuda74.6.231.20UCEPROTECT Level 174.6.231.20

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=yahoo.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=yahoo.com"

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

Watch yahoo.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