How is dns.google?

Looks fine risk 0/100

Registered 9 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 47 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

47 ms

HTTPS

56 d

left on a Google Trust Services certificate

Age

9 years

registered 2018-04-16

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	8.8.8.8 8.8.4.4
AAAA	2001:4860:4860::8888 2001:4860:4860::8844
NS	ns3.zdns.google ns1.zdns.google ns2.zdns.google ns4.zdns.google
TXT	v=spf1 -all https://xkcd.com/1361/
CAA	{'type': 'CAA', 'issue': 'pki.goog', 'critical': 0} {'type': 'CAA', 'issue': 'pki.goog', 'critical': 128}

RegistrationMarkMonitor Inc.

registrar	MarkMonitor Inc.
registered	2018-04-16
expires	2027-04-16
last changed	2026-03-20
owner	REDACTED FOR PRIVACY
nameservers	ns1.zdns.google ns2.zdns.google ns3.zdns.google ns4.zdns.google
status	client delete prohibited client transfer prohibited client update prohibited

registered 2018-04-16expires 2027-04-16

HTTPS certificate56 days left

valid	yes
issuer	Google Trust Services
covers	dns.google, dns.google.com, *.dns.google.com, 8888.google, dns64.dns.google, IP Address:8.8.8.8, IP Address:8.8.4.4, IP Address:8.8.8.53, IP Address:2001:4860:4860:0:0:0:0:8888, IP Address:2001:4860:4860:0:0:0:0:8844, IP Address:2001:4860:4860:0:0:0:0:6464, IP Address:2001:4860:4860:0:0:0:0:64
protocol	TLSv1.3

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

DNSSECsecure

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

. → google → dns.google

Email authenticationfair

SPF	pass `v=spf1 -all`
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 B · 165/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

45/45missing: DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop8.8.4.4Barracuda8.8.4.4UCEPROTECT Level 18.8.4.4SpamCop8.8.8.8Barracuda8.8.8.8UCEPROTECT Level 18.8.8.8

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=dns.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=dns.google"

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

Watch dns.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