html5.validator.nu - dns.ninja

`html5.validator.nu`

DNSSEC	⚠️ Not signed
A	2001:4b98:dc2:41:216:3eff:fedb:1471^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
		PTR	`xvm6-dc2-fedb-1471.ghst.net`
A	46.226.111.119^{🇫🇷 GANDI-AS46.226.108.0/22 GANDI is an ICANN accredited registrar and Cloud services provider}

`validator.nu`

	DNSSEC	⚠️ Not signed
	A	2001:4b98:dc2:41:216:3eff:fedb:1471^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
	A	46.226.111.119^{🇫🇷 GANDI-AS46.226.108.0/22 GANDI is an ICANN accredited registrar and Cloud services provider}
	NS	`ns1.gandi.net` ⭐
	NS	`ns-130-c.gandi.net`
	NS	`ns-2-a.gandi.net`
	NS	`ns-217-b.gandi.net`
	MX	`spool.mail.gandi.net` ⭐
	MX	`fb.mail.gandi.net`⁽⁵⁰⁾
	SOA	`ns1.gandi.net`hostmaster@gandi.net serial=1785369600

WOT: SAFE (95/100)
rank #128412 globally
rank #39 in the tld

validator.nu

A free online validation service for HTML, XHTML, SVG, MathML and other web document formats, widely used as the basis for the W3C's own Nu Html Checker. It is operated by an individual developer rather than a large organization.

Key facts

Owner / operator: Henri Sivonen (original developer); the underlying "Nu Html Checker" (v.Nu) engine is also used/distributed by the W3C
TLD:.nu— ccTLD for Niue, commonly used internationally (popularized by Swedish/Dutch "nu" meaning "now")
Primary purpose: online markup validation tool (HTML5, SVG, MathML, etc.)
Status: active

Related domains

validator.w3.org— the W3C's own markup validator, which for HTML5 content uses the same Nu Html Checker engine originally developed forvalidator.nu

WOT: SAFE (94/100)
📈 Tranco rank: #471,659

Same first word

html5.ru

html5.pt

html5.org

html5.game

html5.it

html5.at

html5.style

html5.fr

html5.me

html5.com

html5.games

html5.biz

html5.hu

html5.ch

html5.ws

html5.ca

html5.pro

html5.zone

html5.ee

html5.net.cn

html5.eu

html5.email

html5.info

html5.fi

html5.onl

html5.org.cn

html5.jp

html5.by

html5.sh

html5.us

html5.dk

html5.net

html5.md

html5.de

html5.lt

html5.company

html5.in

html5.cl

html5.pl

html5.run

Similar names

5html.com

5html.net

DNS History

4 records (2 active, 2 former)

○A2001:4b98:dc2:41:216:3eff:fe12:e3e12017-05-25 → 2017-05-25 · 4 obs

○ 2015-06-25 08:28:30
● 2017-05-25 23:51:12
○ 2026-03-07 09:11:56
○ 2026-08-01 16:39:14

●A2001:4b98:dc2:41:216:3eff:fedb:14712026-03-07 → 2026-08-01 · 3 obs

○ 2017-05-25 23:51:12
● 2026-03-07 09:11:56
● 2026-08-01 16:39:14

○A46.226.110.492015-06-25 → 2017-05-25 · 4 obs

● 2015-06-25 08:28:30
● 2017-05-25 23:51:12
○ 2026-03-07 09:11:56
○ 2026-08-01 16:39:14

●A46.226.111.1192026-03-07 → 2026-08-01 · 3 obs

○ 2017-05-25 23:51:12
● 2026-03-07 09:11:56
● 2026-08-01 16:39:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nu	a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...	12 records
validator.nu	ns-2-a.gandi.net, ns-130-c.gandi.net, ns-217-b.gandi.net	-

✅ Authoritative Response

Server:213.167.230.218

NS records: ns-2-a.gandi.net, ns-130-c.gandi.net, ns-217-b.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for validator.nu (unsigned zone)

⏱️ Timing

Total: 818ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.226.111.119`
AAAA	1	`2001:4b98:dc2:41:216:3eff:fedb:1471`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.ns.nu, a.ns.nu, c.ns.nu...)

Analysis

IP Addresses

html5.validator.nu directs to two IP numbers, 46.226.111.119 and 2001:4b98:dc2:41:216:3eff:fedb:1471

www.validator.nu, hsivonen.com, hsivonen.fi and two other host names share IP numbers with html5.validator.nu.