indexo.dev

twenty-three-seven.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-11 · ok HTTP/1.1 200 785 ms crawled 2026-05-14

ES · 213.236.2.22 · AS205035 LucusHost SL

Reputation 94/100 dmarc monitor-only

sector other type homepage

HTML metadata

Title
23/7

Technology

Server
LiteSpeed

Registration

Registrar
Tecnocratica Centro de Datos, S.L.
Created
2017-05-05
Expires
2027-05-05 350 days left
Updated
2026-04-06
Name servers
  • ns1.cloudnexsom365.com
  • ns2.cloudnexsom365.com
  • ns3.cloudnexsom365.com

DNS records live

NS
  • ns1.lucushost.com
  • ns2.lucushost.com
  • ns3.lucushost.com
MX
  • 0 twenty-three-seven.com

Email authentication partial

SPF
v=spf1 ip4:213.236.2.22 include:hl245.lucushost.org include:spf.lucushost.org ip4:213.236.2.22 ip4:213.236.2.22 +a +mx +ip4:213.236.2.22 ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAryo0RNueM/s5XvgSxXykhllyP3k3ZmtFmn5tr2Oa6wTx+aaQ0vM2Hpwug00ZN3Q2GwwSRJNnBEjmt1…
selectors probed

Certificate (current)

R12
from 2026-04-24 to 2026-07-23
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://twenty-three-seven.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
findings
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
content-security-policy
upgrade-insecure-requests;
strict-transport-security
max-age=31536000; preload

Linked from (1)

See all sites whose homepage links to twenty-three-seven.com →