How is irs.gov?

Looks fine risk 0/100

Registered 29 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 114 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

114 ms · ends at www.irs.gov

HTTPS

120 d

left on a Entrust Limited certificate

Age

29 years

registered 1997-10-02

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	152.216.11.110 152.216.7.110
AAAA	2610:30:2000:402::110 2610:30:4000:402::110
MX	10 emgc.irs.gov 10 emge.irs.gov 20 emgw.irs.gov
NS	ns0022.secondary.cloudflare.com ns0227.secondary.cloudflare.com
TXT	v=spf1 ip4:152.216.0.0/20 ip6:2610:30::/32 -all kiro-site-verification=30924362-d3a8-4ebd-a33e-55d29bc6452b google-site-verification=GsJzgbUY39iE6wPNlPdZCPGWwyhYpWwxpVxaU8g-Aa4

Registrationget.gov

registrar	get.gov
registered	1997-10-02
expires	2027-08-04
last changed	2026-08-14
owner	Department of the Treasury
country	United States
nameservers	ns0022.secondary.cloudflare.com ns0227.secondary.cloudflare.com
status	server transfer prohibited

registered 1997-10-02expires 2027-08-04

HTTPS certificate120 days left

valid	yes
issuer	Entrust Limited
covers	irs.gov, www.irs.gov
protocol	TLSv1.2

issued 2026-08-12expires 2027-02-26

DNSSECsecure

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

. → gov → irs.gov

Email authenticationgood

SPF	pass `v=spf1 ip4:152.216.0.0/20 ip6:2610:30::/32 -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 · 160/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

25/25

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop152.216.11.110Barracuda152.216.11.110UCEPROTECT Level 1152.216.11.110SpamCop152.216.7.110Barracuda152.216.7.110UCEPROTECT Level 1152.216.7.110

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=irs.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=irs.gov"

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

Watch irs.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