asmeurer.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 1562 ms crawled 2026-05-08

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

Technology

CDN: Fastly
Server: GitHub.com

Registration

Registrar

NameCheap, Inc.

Created

2016-10-24

Expires

2030-10-24 1619 days left

Updated

2021-09-24

Name servers

dns1.registrar-servers.com
dns2.registrar-servers.com

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 mail.protonmail.ch
20 mailsec.protonmail.ch

TXT

openai-domain-verification=dv-irUYSnmPa4He91dV2SVzfa7J
protonmail-verification=957347695dc2ac37293adec2b079941993b68b0c
google-site-verification=x1aAf3BjgkSgAW77yLhPsffAsKv5U9TGrZLDeRPmM3k

Email authentication partial

SPF: v=spf1 include:_spf.protonmail.ch mx ~all
softfail (~all)
DMARC: v=DMARC1; p=none
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-21 to 2026-07-20

Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (1)

fredrikj.net×2