How is yahoo.cloud?

Be careful risk 20/100

Registered 11 years ago, no valid HTTPS certificate, the site did not answer (OSError).

Why

02050100

finecarefulhigh risk

+20No valid HTTPS certificate.

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

Site

down

OSError

HTTPS

invalid

Could not resolve host (ENODATA)

Age

11 years

registered 2016-01-27

Blocklists

listings across 2 lists

Everything we looked at

DNS records4 record types

MX	0 .
NS	ns5.yahoo.com ns4.yahoo.com ns3.yahoo.com ns2.yahoo.com ns1.yahoo.com
TXT	google-site-verification=I0SG3p7bg8E1bjTY8W5lXp2uXAfKID3MMC9-6aZ99Uo _globalsign-domain-verification=DUeD9zEyFGAH4XcPMzEnfN-VRaoodt_0HrljaMtekx _globalsign-domain-verification=LHWm5ULu4J4VLMYKr0LZlElW7-1AOG_1XForM8514H 49f91ddf1ff2499882adc465979dd1b7
CAA	{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0} {'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0} {'type': 'CAA', 'iodef': 'mailto:security@yahooinc.com', 'critical': 0} {'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}

RegistrationMarkMonitor Inc.

registrar	MarkMonitor Inc.
registered	2016-01-27
expires	2027-01-27
last changed	2025-12-31
owner	REDACTED FOR PRIVACY
nameservers	ns5.yahoo.com ns1.yahoo.com ns2.yahoo.com ns3.yahoo.com ns4.yahoo.com
status	client delete prohibited client update prohibited client transfer prohibited

registered 2016-01-27expires 2027-01-27

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECinsecure

Domain is not signed with DNSSEC

. → cloud → yahoo.cloud

Email authenticationpoor

SPF	none
DMARC	pass policy reject
DKIM	none of 1 common selectors

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

Security scoregrade C · 120/190

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: SPF Record, DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

20/35missing: Typosquatting Check

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 2 lookups

SURBL MultidomainURIBL Multidomain

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.cloud" \ -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.cloud"

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

IPv6. Does yahoo.cloud work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch yahoo.cloud. 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