`sqr.nu`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:dd3f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:18fa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.250^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.63^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cris.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cris.ns.cloudflare.com`
		A	108.162.195.202^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	162.159.44.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	172.64.35.202^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
NS	`jewel.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jewel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jewel.ns.cloudflare.com`
		A	108.162.194.171^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
		A	162.159.38.171^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
		A	172.64.34.171^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.250, 172.67.221.63
		IPv6 hints	2606:4700:3031::ac43:dd3f, 2606:4700:3037::6815:18fa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOA	`cris.ns.cloudflare.com`dns@cloudflare.com serial=2404101645

`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	`id:df876b60-854f-4443-85a0-69b3cc0650a0`
	TXT	`NU zone update: 2026-06-21 15:02:48 +0000 (EPOCH 1782054168) (auto)`
	SOA	`catcher-in-the-rye.nic.nu`hostmaster@nic.nu serial=1782054226

Same first word

sqr.co.jp

sqr.pl

sqr.co.il

sqr.se

sqr.gdn

sqr.dk

sqr.com

sqr.nu

sqr.hu

sqr.eu

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sqr.ca

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sqr.io

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sqr.in

sqr.com.ua

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sqr.me

sqr.co

sqr.co.uk

sqr.domains

sqr.org

sqr.cz

sqr.cloud

sqr.nl

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sqr.sh

sqr.host

sqr.com.es

Similar names

srq.be

rqs.ro

rqs.ru

rsq.ws

qsr.cl

srq.us

qsr.dk

qsr.ca

qsr.cloud

qsr.it

qrs.ru

rsq.it

qsr.eu

qrs.cn

srq.com

srq.pictures

rqs.us

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rsq.cn

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qsr.cn

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rqs.ca

qrs.su

qsr.co.uk

qrs.email

qrs.jp

srq.me

rqs.ie

qsr.se

rqs.com.vn

rsq.tv

qrs.df.gov.br

qrs.repair

qrs.ly

rqs.co

qsr.blue

qrs.re

qrs.nfshost.com

qrs.co.nz

rqs.fr

rqs.es

qrs.co

qsr.nl

rsq.co

rqs.ch

qrs.my

rqs.sk

qsr.ru

srq.nl

qsr.com.mx

qsr.es

rsq.be

qsr.net

qsr.info

srq.info

qsr.net.au

qrs.co.za

qsr.com.au

rqs.pl

qsr.kz

qrs.be

qrs.co.jp

rqs.info

qrs.info

rqs.com.mx

qrs.com.my

qrs.solutions

qrs.agency

DNS History

25 records (6 active, 19 former)

●NScris.ns.cloudflare.com2026-06-06 → 2026-06-21 · 3 obs

○ 2021-01-10 03:08:46
● 2026-06-06 01:10:04
● 2026-06-21 16:01:02

●NSjewel.ns.cloudflare.com2026-06-06 → 2026-06-21 · 3 obs

○ 2021-01-10 03:08:46
● 2026-06-06 01:10:04
● 2026-06-21 16:01:02

○NSns1.domainprofi.de2021-01-10 → 2021-01-10 · 4 obs

○ 2016-12-02 17:28:58
● 2021-01-10 03:08:46
○ 2026-06-06 01:10:04
○ 2026-06-21 16:01:02

○NSns1.unoeuro.com2016-06-18 → 2016-12-02 · 4 obs

● 2016-06-18 12:01:12
● 2016-12-02 17:28:58
○ 2021-01-10 03:08:46
○ 2026-06-21 16:01:02

○NSns2.domainprofi.de2021-01-10 → 2021-01-10 · 4 obs

○ 2016-12-02 17:28:58
● 2021-01-10 03:08:46
○ 2026-06-06 01:10:04
○ 2026-06-21 16:01:02

○NSns2.unoeuro.com2016-06-18 → 2016-12-02 · 4 obs

● 2016-06-18 12:01:12
● 2016-12-02 17:28:58
○ 2021-01-10 03:08:46
○ 2026-06-21 16:01:02

○NSns3.unoeuro.com2016-06-18 → 2016-12-02 · 4 obs

● 2016-06-18 12:01:12
● 2016-12-02 17:28:58
○ 2021-01-10 03:08:46
○ 2026-06-21 16:01:02

○NSns4.unoeuro.com2016-06-18 → 2016-12-02 · 4 obs

● 2016-06-18 12:01:12
● 2016-12-02 17:28:58
○ 2021-01-10 03:08:46
○ 2026-06-21 16:01:02

○MXmail.mx-host.net2021-01-10 → 2021-01-10 · 4 obs

○ 2016-12-02 17:28:58
● 2021-01-10 03:08:46
○ 2026-06-06 01:10:04
○ 2026-06-21 16:01:02

○MXmx.unoeuro.com2016-06-18 → 2016-12-02 · 4 obs

● 2016-06-18 12:01:12
● 2016-12-02 17:28:58
○ 2021-01-10 03:08:46
○ 2026-06-21 16:01:02

●A104.21.24.2502026-06-06 → 2026-06-21 · 14 obs

○ 2021-01-10 03:08:46
● 2026-06-06 01:10:04
● 2026-06-08 03:56:50
○ 2026-06-08 07:27:40
● 2026-06-08 14:56:50
● 2026-06-08 17:20:04
○ 2026-06-11 07:28:22
● 2026-06-11 08:19:22
● 2026-06-12 08:05:58
○ 2026-06-14 07:32:06
● 2026-06-15 07:12:18
● 2026-06-16 21:22:52
○ 2026-06-17 07:27:32
● 2026-06-21 16:01:02

●A172.67.221.632026-06-06 → 2026-06-21 · 14 obs

○A188.114.96.02026-06-11 → 2026-06-20 · 9 obs

○ 2026-06-08 17:20:04
● 2026-06-11 07:28:22
○ 2026-06-11 08:19:22
○ 2026-06-12 08:05:58
● 2026-06-14 07:32:06
○ 2026-06-15 07:12:18
○ 2026-06-17 07:27:32
● 2026-06-20 07:27:48
○ 2026-06-21 16:01:02

○A188.114.96.42026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-08 03:56:50
● 2026-06-08 07:27:40
○ 2026-06-08 14:56:50
○ 2026-06-21 16:01:02

○A188.114.97.02026-06-11 → 2026-06-20 · 9 obs

○A188.114.97.42026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-08 03:56:50
● 2026-06-08 07:27:40
○ 2026-06-08 14:56:50
○ 2026-06-21 16:01:02

●A2606:4700:3031::ac43:dd3f2026-06-21 → 2026-06-21 · 2 obs

○ 2026-06-20 07:27:48
● 2026-06-21 16:01:02

●A2606:4700:3037::6815:18fa2026-06-06 → 2026-06-21 · 14 obs

○A2606:4700:3037::ac43:dd3f2026-06-06 → 2026-06-16 · 14 obs

○A2a06:98c1:3120::2026-06-08 → 2026-06-20 · 9 obs

○ 2026-06-08 03:56:50
● 2026-06-08 07:27:40
○ 2026-06-08 14:56:50
○ 2026-06-12 08:05:58
● 2026-06-14 07:32:06
○ 2026-06-15 07:12:18
○ 2026-06-17 07:27:32
● 2026-06-20 07:27:48
○ 2026-06-21 16:01:02

○A2a06:98c1:3120::42026-06-11 → 2026-06-11 · 4 obs

○ 2026-06-08 17:20:04
● 2026-06-11 07:28:22
○ 2026-06-11 08:19:22
○ 2026-06-21 16:01:02

○A2a06:98c1:3121::2026-06-08 → 2026-06-20 · 9 obs

○A2a06:98c1:3121::42026-06-11 → 2026-06-11 · 4 obs

○ 2026-06-08 17:20:04
● 2026-06-11 07:28:22
○ 2026-06-11 08:19:22
○ 2026-06-21 16:01:02

○A88.198.231.12021-01-10 → 2021-01-10 · 4 obs

○ 2016-12-02 17:28:58
● 2021-01-10 03:08:46
○ 2026-06-06 01:10:04
○ 2026-06-21 16:01:02

○A94.231.103.702016-06-18 → 2016-12-02 · 4 obs

● 2016-06-18 12:01:12
● 2016-12-02 17:28:58
○ 2021-01-10 03:08:46
○ 2026-06-21 16:01:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nu	a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...	12 records
sqr.nu	cris.ns.cloudflare.com, jewel.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.202

NS records: cris.ns.cloudflare.com, jewel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sqr.nu (unsigned zone)

⏱️ Timing

Total: 746ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.24.250, 172.67.221.63`
AAAA	2	`2606:4700:3037::6815:18fa, 2606:4700:3031::ac43:dd3f`
NS	2	`cris.ns.cloudflare.com, jewel.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cris.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sqr.nu directs to four IP numbers, which are 104.21.24.250, 172.67.221.63, 2606:4700:3031::ac43:dd3f and 2606:4700:3037::6815:18fa.

zhc365.com, admin.rashaqa.net, www.rugbyweb.org.cdn.cloudflare.net and two other host names share IP numbers with sqr.nu.

Name Servers

sqr.nu has two authoritative name servers — cris.ns.cloudflare.com and jewel.ns.cloudflare.com.

sqr.nu uses the same name servers as several other domains — among them costcotw.com, gestao-de-acesso.com, bestrealestate.rs and two more.

The name servers of sqr.nu overlap at least partially with those of other domains — among them toomuch.email, comunabaiut.ro, xmtsjd.com and two more.

These name servers commonly appear alongside the name servers sloan.ns.cloudflare.com and jamie.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

cris.ns.cloudflare.com points to 108.162.195.202, 162.159.44.202, 172.64.35.202 and 3 other IP addresses.

jewel.ns.cloudflare.com points to 108.162.194.171, 162.159.38.171, 172.64.34.171 and 3 other IP addresses.

sqr.nu - robtex.com

sqr.nu

nu

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`sqr.nu`

`nu`