HOW.IS
?

How is eff.org?

Looks fine risk 0/100

Registered 36 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 405 ms.

Why

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

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

How eff.org looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
405 ms · ends at www.eff.org
HTTPS
60 d
left on a Let's Encrypt certificate
Age
36 years
registered 1990-10-10
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A173.239.79.200
MX0 eff-org.mail.protection.outlook.com
NSns3.eff.org
ns2.eff.org
TXTgoogle-site-verification=Xqf-4VNlMzsu7X8mmX33O3jdZcvFavWtZen9xLBZ5S4
ms-domain-verification=55064e24-4bc6-4f21-a39c-f9c0b295f3f3
v=spf1 mx ip4:173.239.79.202 include:spf1.eff.org include:spf2.eff.org include:spf.protection.outlook.com include:salsalabs.org -all
CAA{'type': 'CAA', 'critical': 0, 'issuewild': 'comodoca.com'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'ssl.com'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'letsencrypt.org'}
{'type': 'CAA', 'issue': 'ssl.com', 'critical': 0}
{'type': 'CAA', 'iodef': 'mailto:caa@eff.org', 'critical': 0}
{'type': 'CAA', 'issue': 'comodoca.com', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
RegistrationGandi SAS
registrarGandi SAS
registered1990-10-10
expires2027-10-09
last changed2026-08-15
ownerElectronic Frontier Foundation
nameserversns1.eff.org
ns2.eff.org
ns4.eff.org
statusclient transfer prohibited
registered 1990-10-10expires 2027-10-09
HTTPS certificate60 days left
validyes
issuerLet's Encrypt
coverseff.org
protocolTLSv1.2
issued 2026-10-01expires 2026-12-30
DNSSECinsecure

Domain is not signed with DNSSEC

. → org → eff.org
Email authenticationgood
SPFpass v=spf1 mx ip4:173.239.79.202 include:spf1.eff.org include:spf2.eff.org include:spf.protection.outlook.com include:salsalabs.org -all
DMARCwarning policy none
DKIMfound: selector1, s1, s2

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

Security scoregrade B · 153/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
38/45missing: DMARC Record, DKIM Presence
Advanced Security
10/25missing: Mail Server Configuration, SOA Record Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop173.239.79.200Barracuda173.239.79.200UCEPROTECT Level 1173.239.79.200

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=eff.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=eff.org"

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

IPv6. IPv6 readiness grade for eff.org Does eff.org work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch eff.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