`303.nu`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:38ee^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8a01^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.238^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.1^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`finley.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`finley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`finley.ns.cloudflare.com`
		A	108.162.195.58^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
		A	162.159.44.58^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
		A	172.64.35.58^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
NS	`linda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3afa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`linda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`linda.ns.cloudflare.com`
		A	108.162.192.250^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	172.64.32.250^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	173.245.58.250^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.56.238, 172.67.138.1
		IPv6	2606:4700:3033::6815:38ee, 2606:4700:3036::ac43:8a01
SOA	`finley.ns.cloudflare.com`dns@cloudflare.com serial=2400250751

`nu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.nu` ⭐
	NS	`a.ns.nu`
	NS	`c.ns.nu`
	NS	`d.ns.nu`
	NS	`m.ns.nu`
	NS	`y.ns.nu`
	NS	`z.ns.nu`
	TXT	`NU zone update: 2026-03-30 02:57:56 +0000 (EPOCH 1774839476) (auto)`
	TXT	`id:6ec0b4cb-b66d-4353-9ed4-32aba13b22de`
	SOA	`catcher-in-the-rye.nic.nu`hostmaster@nic.nu serial=1774839580

Previously MX for

303.nu

Same first word

303.community

303.group

303.net

303.eu

303.se

303.pl

303.re

303.wtf

303.bg

303.it

303.directory

303.guru

303.agency

303.cc

303.la

303.am

303.fi

303.tw

303.com.mt

303.nl

303.dk

303.ru.com

303.com.au

303.at

303.fyi

303.co

303.xyz

303.es

303.co.kr

303.com

303.poker

303.sx

303.run

303.ro

303.tv

303.gr

303.org

303.by

303.email

303.cz

303.hu

303.moscow

303.ch

303.to

303.london

303.pm

303.nu

303.bet

303.red

303.ink

303.life

303.one

303.(0x787878)

303.jp

303.media

303.land

303.lt

303.lv

303.me

303.com.hk

303.io

303.im

303.ph

303.industries

Similar names

330.be

033.la

033.jp

033.it

033.cool

330.ca

033.one

033.us

330.casino

330.cn

330.io

330.bet

330.ph

330.studio

330.co.kr

330.ch

330.ru

330.at

033.be

033.cz

330.com.ua

033.cc

033.tv

033.net

033.se

033.pl

330.la

330.mobi

330.net

033.de

330.nl

330.com

330.one

330.co.za

330.co.il

033.coach

033.in

330.hk

033.cn

330.com.vn

033.co.uk

033.nl

033.eu

330.tv

330.org

033.tel

033.gold

330.pl

330.sk

033.ba

033.icu

033.info

033.com

DNS History

14 records (6 active, 8 former)

●NSfinley.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-07 11:17:40
● 2026-03-26 21:23:32
● 2026-03-30 03:56:30

●NSlinda.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-07 11:17:40
● 2026-03-26 21:23:32
● 2026-03-30 03:56:30

○NSns10.dnsmadeeasy.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

○NSns11.dnsmadeeasy.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

○NSns12.dnsmadeeasy.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

○NSns13.dnsmadeeasy.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

○NSns14.dnsmadeeasy.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

○NSns15.dnsmadeeasy.com2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

○MX303.nu2015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

●A104.21.56.2382026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-07 11:17:40
● 2026-03-26 21:23:32
● 2026-03-30 03:56:30

●A172.67.138.12026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-07 11:17:40
● 2026-03-26 21:23:32
● 2026-03-30 03:56:30

●A2606:4700:3033::6815:38ee2026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-07 11:17:40
● 2026-03-26 21:23:32
● 2026-03-30 03:56:30

●A2606:4700:3036::ac43:8a012026-03-26 → 2026-03-30 · 3 obs

○ 2016-09-07 11:17:40
● 2026-03-26 21:23:32
● 2026-03-30 03:56:30

○A77.72.148.802015-05-25 → 2016-09-07 · 4 obs

● 2015-05-25 14:40:30
● 2016-09-07 11:17:40
○ 2026-03-26 21:23:32
○ 2026-03-30 03:56:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nu	m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu...	-
303.nu	finley.ns.cloudflare.com, linda.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.58

NS records: finley.ns.cloudflare.com, linda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 303.nu (unsigned zone)

⏱️ Timing

Total: 905ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.56.238, 172.67.138.1`
AAAA	2	`2606:4700:3036::ac43:8a01, 2606:4700:3033::6815:38ee`
NS	2	`finley.ns.cloudflare.com, linda.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`finley.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

303.nu points to four IP numbers: 2606:4700:3033::6815:38ee, 2606:4700:3036::ac43:8a01, 104.21.56.238 and 172.67.138.1.

Other host names, for instance brentbusch.com, js22s.com, sb-iot.com, wellprofits.com and htbfinance.org share IP numbers with 303.nu.

Name Servers

Delegation for 303.nu rests with two name servers, finley.ns.cloudflare.com and linda.ns.cloudflare.com.

303.nu uses the same name server setup as other domains, such as kraal.se, bestavangard.ru, rayhaskellford.com and z00.nu.

303.nu at least partially shares name servers with other domains, for instance monday-doasync.com, mtdgjx.com, pinek.ru, sportcompactonly.com and parroquiasanfelipeneri.org.

these name servers are commonly used with trevor.ns.cloudflare.com, ximena.ns.cloudflare.com and josh.ns.cloudflare.com.

Host names with six IP numbers: finley.ns.cloudflare.com points to: 2606:4700:58::a29f:2c3a, 2803:f800:50::6ca2:c33a, 2a06:98c1:50::ac40:233a, 108.162.195.58, 162.159.44.58 and 172.64.35.58. linda.ns.cloudflare.com points to: 2606:4700:50::adf5:3afa, 2803:f800:50::6ca2:c0fa, 2a06:98c1:50::ac40:20fa, 108.162.192.250, 172.64.32.250 and 173.245.58.250.

303.nu - robtex.com

303.nu

nu

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`303.nu`

`nu`