plumbline.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 1629 ms crawled 2026-05-14

AU · 170.64.170.251 · AS14061 DigitalOcean, LLC

Reputation 95/100 weak security headers

sector other type parked

Technology

Server
nginx

Registration

Registrar
Netregistry Wholesale Pty Ltd
Created
1999-09-12
Expires
2026-09-12 114 days left
Updated
2025-07-06
Name servers
  • ns-1083.awsdns-07.org
  • ns-1721.awsdns-23.co.uk
  • ns-391.awsdns-48.com
  • ns-802.awsdns-36.net

DNS records live

NS
  • ns-1083.awsdns-07.org
  • ns-1721.awsdns-23.co.uk
  • ns-391.awsdns-48.com
  • ns-802.awsdns-36.net
MX
  • 0 plumbline-com.mail.protection.outlook.com
Verified for
  • Apple
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;pct=100;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-28 to 2026-07-27
Expires in 68 days

HTTP security headers

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

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

Linked from (1)