indexo.dev

first.dev

.dev crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP 200 1426 ms crawled 2026-05-19

US · 50.87.145.6 · AS31898 Oracle Corporation

Reputation 95/100 weak security headers

DNS records live

NS
  • ns-cloud-d1.googledomains.com
  • ns-cloud-d2.googledomains.com
  • ns-cloud-d3.googledomains.com
  • ns-cloud-d4.googledomains.com
MX
  • 0 first-dev.mail.protection.outlook.com
Verified for
  • Atlassian
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:it@first.dev; ruf=mailto:it@first.dev; fo=1
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyenHloj+82881+KqaiJ0YFznmS7FAJw3HuzTcEgw9rCuwYVvVZxg1JsJZkHEebENwFDOnOeRPgcQPv…
selectors probed

Certificate (current)

R13
from 2026-04-03 to 2026-07-02
Expires in 42 days

Full certificate history on crt.sh ↗

Linked from (1)