surbl.org

.org toplist crawl

First seen 2026-04-11 · Last seen 2026-05-08 · ok HTTP/1.1 200 2401 ms crawled 2026-05-18

DE · 167.235.149.163 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
SURBL
Description
surbl desc

Technology

Server
nginx

Registration

Registrar
Gandi SAS
Created
2004-03-28
Expires
2030-03-28 1408 days left
Updated
2026-02-09
Name servers
  • ns200.surbl.org
  • ns201.surbl.org
  • purple.surbl.org
  • green.surbl.org
  • blue.surbl.org
  • orange.surbl.org

DNS records live

NS
  • blue.surbl.org
  • green.surbl.org
  • ns200.surbl.org
  • ns201.surbl.org
  • orange.surbl.org
  • purple.surbl.org
MX
  • 10 vmx01.prolocation.nl
  • 10 vmx02.prolocation.nl
  • 10 vmx03.prolocation.net
TXT
  • keybase-site-verification=xdPZ0thWhTr0n4_eKNbzJ3BqBAPvnIW-O-Lso5BmaQo

Email authentication strong

SPF
v=spf1 ip4:94.228.128.0/20 ip6:2a00:d00::/32 mx -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; rua=mailto:dmarcreports@surbl.org; ruf=mailto:dmarcreports@surbl.org; fo=1; rf=afrf; pct=100; ri=86400
policy: reject (enforced) · sp=reject
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-08-21 to 2026-08-27
Expires in 99 days

HTTP security headers

Header hygiene 85/100 Checked live page: https://surbl.org/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • missing frame protection
Header values
referrer-policy
no-referrer-when-downgrade
permissions-policy
interest-cohort=()
x-content-type-options
nosniff
content-security-policy
default-src 'self' http: https: ws: wss: data: blob: 'unsafe-inline'; frame-ancestors 'self';
strict-transport-security
max-age=31536000; includeSubDomains;

Linked from (1)