dynu.com

.com toplist crawl dns

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 3688 ms crawled 2026-05-18

US · 72.51.58.29 · AS398019 Dynu Systems Incorporated

Reputation 100/100

Classifying

HTML metadata

Title

Free dynamic DNS service | Dynu Systems, Inc.

Description

Dynu Systems, Inc. provides free dynamic DNS service as well as other services such as domain registration, email and SSL services.

Language

Translations

Open Graph

url: http://www.dynu.com
title: Dynu
site name: Dynu Systems - Free dynamic DNS service

Technology

CMS: Ghost

Analytics

Google Tag Manager

Fonts

Google Fonts

Social widgets

Twitter Widget

Third-party hosts loaded (4)

fonts.googleapis.com×1
platform.twitter.com×1
plus.google.com×1
www.googletagmanager.com×1

Social

Contact

Email

info@dynu.comterms

Phone

30.9633.26352

Registration

Registrar

Dynu Systems Incorporated

Created

1999-08-09

Expires

2031-08-09 1907 days left

Updated

2025-01-12

Name servers

ns0.dynu.com
ns1.dynu.com
ns2.dynu.com
ns3.dynu.com
ns4.dynu.com
ns5.dynu.com
ns6.dynu.com

DNS records live

NS

ns0.dynu.com
ns1.dynu.com
ns2.dynu.com
ns3.dynu.com
ns4.dynu.com
ns5.dynu.com
ns6.dynu.com

MX

10 mail.dynu.com
20 mx2.dynu.com

TXT

Show 4 TXT records

google-site-verification=PYmtUSXe985bY4eSUJdNu1DBViM3Bz0R7pp5pNC5d9g
google-site-verification=4qF9W8ePe_OO-XbUliXPMhPcLN7QKY2cLp3D2LLSK8E
glyjlzpdqgh1df3r7x9g8k92wkj6x4y4
yandex-verification: 58293b181305eda3

Email authentication strong

SPF: v=spf1 mx ip4:162.216.242.29/32 ip4:162.216.242.30/32 ip4:162.216.242.31/32 ip4:162.216.242.192/26 ip4:72.51.58.193/32 ip4:72.51.58.194/32 a:mail.dynu.com a:mx2.dynu.com a:outbound.dynu.com a:api.dynu.com a:www.dynu.com a:qa.dynu.com a:otrs.dynu.com a:webmail.dynu.com -all
strict (-all)
DMARC: v=DMARC1;p=reject;rua=mailto:dmarcreports@dynu.com;ruf=mailto:dmarcreports@dynu.com;pct=100;fo=1;sp=reject;
policy: reject (enforced) · sp=reject
DKIM: no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2026-04-01 to 2026-10-17

Expires in 150 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.dynu.com/

present

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

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload