HOW.IS
?

How is blog.google?

Looks fine risk 0/100

Registered 10 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 94 ms.

Why

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

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

How blog.google looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
94 ms
HTTPS
64 d
left on a Google Trust Services certificate
Age
10 years
registered 2016-08-12
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A216.239.36.21
216.239.34.21
216.239.38.21
216.239.32.21
AAAA2001:4860:4802:36::15
2001:4860:4802:32::15
2001:4860:4802:38::15
2001:4860:4802:34::15
MX0 smtp.google.com
NSns4.zdns.google
ns1.zdns.google
ns2.zdns.google
ns3.zdns.google
TXTv=spf1 include:_spf.google.com ?all
facebook-domain-verification=1dpptdn7bpg26p5d1mkvttadjncmm8
CAA{'type': 'CAA', 'issue': 'pki.goog', 'critical': 0}
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered2016-08-12
expires2027-08-12
last changed2026-07-16
ownerREDACTED FOR PRIVACY
nameserversns1.zdns.google
ns2.zdns.google
ns3.zdns.google
ns4.zdns.google
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 2016-08-12expires 2027-08-12
HTTPS certificate64 days left
validyes
issuerGoogle Trust Services
coversblog.google
protocolTLSv1.3
issued 2026-10-06expires 2027-01-04
DNSSECsecure

Domain is properly signed — chain validated by an independent validating resolver

. → google → blog.google
Email authenticationpoor
SPFwarning v=spf1 include:_spf.google.com ?all
DMARCwarning policy none
DKIMnone of 1 common selectors

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

Security scoregrade B · 156/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
31/45missing: SPF Record, DMARC Record, DKIM Presence
Advanced Security
20/25missing: Mail Server Configuration
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 14 lookups
SURBL MultidomainURIBL MultidomainSpamCop216.239.34.21Barracuda216.239.34.21UCEPROTECT Level 1216.239.34.21SpamCop216.239.36.21Barracuda216.239.36.21UCEPROTECT Level 1216.239.36.21SpamCop216.239.38.21Barracuda216.239.38.21UCEPROTECT Level 1216.239.38.21SpamCop216.239.32.21Barracuda216.239.32.21UCEPROTECT Level 1216.239.32.21

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=blog.google" \ -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=blog.google"

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

IPv6. IPv6 readiness grade for blog.google Does blog.google work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch blog.google. 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