posco.com

.com crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 1439 ms crawled 2026-06-03

KR · 1.209.183.128 · AS18305 POSCO DX

Reputation 95/100 weak security headers

Classifying

Registration

Registrar

Whois Corp.

Created

2000-03-07

Expires

2027-03-07 275 days left

Updated

2025-12-17

Name servers

ns-1528.awsdns-63.org
ns-1930.awsdns-49.co.uk
ns-386.awsdns-48.com
ns-569.awsdns-07.net

DNS records live

NS

ns-1528.awsdns-63.org
ns-1930.awsdns-49.co.uk
ns-386.awsdns-48.com
ns-569.awsdns-07.net

MX

10 antispam.posco.net

TXT

Show 4 TXT records

mailer.domain.verification=1WOHJFi7P4BTLitB0z0olz1BnwkN4n
41fu22bama865r4ah1vsdsra8a
_a6mp8ivts6qql4l4oa7d8rgq7rdchrl
_m4zlhvoco1tkqc3zjut6xvg1c4fx9w5

Verified for

Adobe
Dynatrace
Figma
Google Workspace
Microsoft 365

Email authentication strong

SPF

v=spf1 ip4:1.209.183.71 include:email.ncloud.com include:_antispf1.posco.com include:_antispf2.posco.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarcreports@posco.com;

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCdald+oKmfCAukwZ+cRU6iX4JOgvoUoTS2uU/ISkIQhfHmG4D0IzmL5lZZEW2tpeJmULu9rb1f2YjwpgFT9X…

selectors probed

Certificate (current)

DigiCert Global G2 TLS RSA SHA256 2020 CA1

from 2025-12-02 to 2026-12-31

Expires in 209 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://posco.com/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Linked from (1)

persona.ai×1