indexo.dev

tailieuxaydung.net

.net crawl

First seen 2026-04-19 · Last seen 2026-05-16 · error HTTP 500 crawled 2026-05-15 5 attempts

VN · 150.95.111.205 · AS131392 GMO-Z.com Runsystem Joint Stock Company

Reputation 82/100 crawl error no dmarc policy

http 500

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2021-12-09
Expires
2026-12-09 202 days left
Updated
2025-12-06
Name servers
  • ns-a1.tenten.vn
  • ns-a2.tenten.vn
  • ns-a3.tenten.vn

DNS records live

NS
  • ns-a1.tenten.vn
  • ns-a2.tenten.vn
  • ns-a3.tenten.vn
MX
  • 10 mail.tailieuxaydung.net
TXT
  • v=spf1mxaip4:150.95.111.205~all

Email authentication weak

SPF
v=spf1mxaip4:150.95.111.205~all
no all qualifier
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-12 to 2026-07-11
Expires in 52 days

Full certificate history on crt.sh ↗

Linked from (4)