vietwriter.co

.co crawl

First seen 2026-05-09 · Last seen 2026-05-13 · ok HTTP 200 4199 ms crawled 2026-05-15

US · 104.21.36.241 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

DNS records live

NS

ali.ns.cloudflare.com
zod.ns.cloudflare.com

MX

10 eforward1.registrar-servers.com
10 eforward2.registrar-servers.com
10 eforward3.registrar-servers.com
15 eforward4.registrar-servers.com
20 eforward5.registrar-servers.com

Email authentication weak

SPF: v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-04-24 to 2026-07-23

Expires in 63 days

Full certificate history on crt.sh ↗