How is weather.gov?

Looks fine risk 0/100

Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 152 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

152 ms · ends at www.weather.gov

HTTPS

36 d

left on a Let's Encrypt certificate

Age

28 years

registered 1999-04-30

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	23.212.250.148 23.212.250.154 23.212.250.141 23.212.250.139 23.212.250.140
AAAA	2600:1408:c400:1c::17d4:fa8c 2600:1408:c400:1c::17d4:fa8a 2600:1408:c400:1c::17d4:fa8d 2600:1408:c400:1c::17d4:fa94 2600:1408:c400:1c::17d4:fa8b
NS	a18-67.akam.net a1-97.akam.net a6-65.akam.net a7-66.akam.net a11-66.akam.net a26-64.akam.net
TXT	linkedin-site-verification=47065543-a2e5-4262-a95f-8da091a09ff0 dohntui1qe9r65r5a872jfqlv0

Registrationget.gov

registrar	get.gov
registered	1999-04-30
expires	2027-08-27
last changed	2026-10-01
owner	Department of Commerce
country	United States
nameservers	a1-97.akam.net a11-66.akam.net a18-67.akam.net a26-64.akam.net a6-65.akam.net a7-66.akam.net
status	server transfer prohibited

registered 1999-04-30expires 2027-08-27

HTTPS certificate36 days left

valid	yes
issuer	Let's Encrypt
covers	amdar.ncep.noaa.gov, amdar.noaa.gov, amdarqa.ncep.noaa.gov, api.weather.gov, forecast.weather.gov, hads.ncep.noaa.gov, hadsqa.ncep.noaa.gov, inws.ncep.noaa.gov, inwsqa.ncep.noaa.gov, iris.ncep.noaa.gov, irisqa.ncep.noaa.gov, madis-data.ncep.noaa.gov
protocol	TLSv1.3

issued 2026-09-09expires 2026-12-08

DNSSECsecure

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

. → gov → weather.gov

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 · 130/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

15/45missing: CAA Records, SPF Record, DKIM Presence

Advanced Security

10/25missing: Mail Server Configuration, SOA Record Configuration

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 17 lookups

SURBL MultidomainURIBL MultidomainSpamCop23.212.250.139Barracuda23.212.250.139UCEPROTECT Level 123.212.250.139SpamCop23.212.250.140Barracuda23.212.250.140UCEPROTECT Level 123.212.250.140SpamCop23.212.250.141Barracuda23.212.250.141UCEPROTECT Level 123.212.250.141SpamCop23.212.250.138Barracuda23.212.250.138UCEPROTECT Level 123.212.250.138SpamCop23.212.250.148Barracuda23.212.250.148UCEPROTECT Level 123.212.250.148

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=weather.gov" \ -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=weather.gov"

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

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

Watch weather.gov. 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