HOW.IS
?

How is nginx.org?

Looks fine risk 0/100

Registered 22 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 144 ms.

Why

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

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

How nginx.org looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
144 ms
HTTPS
79 d
left on a Let's Encrypt certificate
Age
22 years
registered 2004-12-23
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A3.136.61.53
AAAA2a05:d014:5c0:2601::6
2a05:d014:5c0:2600::6
NSns2.f5clouddns.com
ns1.f5clouddns.com
TXTgoogle-site-verification=FnbM63M8trsWPaAVXzpX1ycy4deAdB_OaXh694KtdFU
RegistrationCSC Corporate Domains, Inc.
registrarCSC Corporate Domains, Inc.
registered2004-12-23
expires2026-12-23
last changed2026-08-12
ownerF5, Inc.
nameserversns1.f5clouddns.com
ns2.f5clouddns.com
statusclient transfer prohibited
registered 2004-12-23expires 2026-12-23
HTTPS certificate79 days left
validyes
issuerLet's Encrypt
coversforum.nginx.org, hg.nginx.org, lxr.nginx.org, mailman.nginx.org, nginx-version.nginx.com, nginx.org, nginx.ru, packages.nginx.org, quic.nginx.org, revamp.nginx.org, sources.nginx.org, staging.nginx.org
protocolTLSv1.2
issued 2026-10-15expires 2027-01-13
DNSSECinsecure

Domain is not signed with DNSSEC

. → org → nginx.org
Email authenticationpoor
SPFnone
DMARCnone
DKIMnone of 1 common selectors

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

Security scoregrade C · 120/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
0/45missing: CAA Records, SPF Record, DMARC Record, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop3.147.99.198Barracuda3.147.99.198UCEPROTECT Level 13.147.99.198

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=nginx.org" \ -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=nginx.org"

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

Watch nginx.org. 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