nerdblog.pl

.pl crawl

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 2970 ms crawled 2026-05-18

US · 66.6.44.4 · AS2635 Automattic, Inc

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Nerdblog.pl
Canonical: https://nerdblog.pl

Open Graph

url: https://nerdblog.pl/?og=1
title: Nerdblog.pl
site name: Tumblr

Technology

Server: nginx
CMS: WordPress

Ads

Google Ads (DoubleClick)

Fonts

Google Fonts

Third-party hosts loaded (15)

assets.tumblr.com×4
static.tumblr.com×4
cdnjs.cloudflare.com×2
px.srvcs.tumblr.com×2
305343404×1
64.media.tumblr.com×1
ajax.googleapis.com×1
com.tumblr×1
fonts.googleapis.com×1
gravatar.com×1
netdna.bootstrapcdn.com×1
s0.wp.com×1
securepubads.g.doubleclick.net×1
timeago.yarp.com×1
www.tumblr.com×1

Social

DNS records live

NS

fns1.42.pl
fns2.42.pl

MX

1 higher.lv

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-03 to 2026-08-01

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://nerdblog.pl/

present

strict-transport-security
x-content-type-options

findings

missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
strict-transport-security: max-age=15552001

Links to (6)

Linked from (1)

rails-refactoring.com×1