indexo.dev

letterexchange.org

.org crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 591 ms crawled 2026-05-19

GB · 77.68.28.233 · AS8560 IONOS SE

Reputation 94/100 dmarc monitor-only

sector other type homepage

HTML metadata

Title
Welcome to Letter Exchange
Language
en-US

Technology

Server
nginx
jQuery
3.6.1

Social

Contact

Email

Registration

Registrar
IONOS SE
Created
2000-10-16
Expires
2026-10-16 148 days left
Updated
2025-11-30
Name servers
  • ns1117.ui-dns.org
  • ns1027.ui-dns.biz
  • ns1035.ui-dns.de
  • ns1106.ui-dns.com

DNS records live

NS
  • ns1027.ui-dns.biz
  • ns1035.ui-dns.de
  • ns1106.ui-dns.com
  • ns1117.ui-dns.org
MX
  • 10 mx00.ionos.co.uk
  • 10 mx01.ionos.co.uk

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R13
from 2026-04-30 to 2026-07-29
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://letterexchange.org/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000; includeSubDomains

Links to (2)

Linked from (2)