How is gmail.com?

Looks fine risk 0/100

Registered 31 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 146 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

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

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

146 ms · ends at accounts.google.com

HTTPS

56 d

left on a Google Trust Services certificate

Age

31 years

registered 1995-08-13

Blocklists

listings across 5 lists

Everything we looked at

DNS records6 record types

A	142.250.31.18 142.250.31.19 142.250.31.17 142.250.31.83
AAAA	2607:f8b0:4004:c0b::53 2607:f8b0:4004:c0b::12 2607:f8b0:4004:c0b::13 2607:f8b0:4004:c0b::11
MX	5 gmail-smtp-in.l.google.com 20 alt2.gmail-smtp-in.l.google.com 40 alt4.gmail-smtp-in.l.google.com 10 alt1.gmail-smtp-in.l.google.com 30 alt3.gmail-smtp-in.l.google.com
NS	ns1.google.com ns3.google.com ns2.google.com ns4.google.com
TXT	v=spf1 redirect=_spf.google.com globalsign-smime-dv=CDYX+XFHUw2wml6/Gb8+59BsH31KzUr6c1l2BPvqKX8= yahoo-verification-key=+eZwIPSgRxkAUzDtqT8Qhk+j4A1JF6V/wtGoyGTkELY= yahoo-verification-key=dKYwfVbaxatmcXiXy6LDAxMRirqpOq5tj98iJv9qWVk=
CAA	{'type': 'CAA', 'issue': 'pki.goog', 'critical': 0}

RegistrationMarkMonitor Inc.

registrar	MarkMonitor Inc.
registered	1995-08-13
expires	2027-08-12
last changed	2026-07-11
owner	REDACTED FOR PRIVACY
nameservers	ns1.google.com ns2.google.com ns3.google.com ns4.google.com
status	client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited

registered 1995-08-13expires 2027-08-12

HTTPS certificate56 days left

valid	yes
issuer	Google Trust Services
covers	gmail.com, *.gmail.com
protocol	TLSv1.3

issued 2026-09-28expires 2026-12-21

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → gmail.com

Email authenticationpoor

SPF	warning `v=spf1 redirect=_spf.google.com`
DMARC	warning policy none
DKIM	none 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: SOA Record Configuration

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 14 lookups

SURBL MultidomainURIBL MultidomainSpamCop64.233.180.18Barracuda64.233.180.18UCEPROTECT Level 164.233.180.18SpamCop64.233.180.83Barracuda64.233.180.83UCEPROTECT Level 164.233.180.83SpamCop64.233.180.17Barracuda64.233.180.17UCEPROTECT Level 164.233.180.17SpamCop64.233.180.19Barracuda64.233.180.19UCEPROTECT Level 164.233.180.19

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=gmail.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=gmail.com"

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

Watch gmail.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