`itsw.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:261a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:da1f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.26^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.31^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`collins.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26e2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`collins.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`collins.ns.cloudflare.com`
		A	108.162.194.226^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	162.159.38.226^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	172.64.34.226^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
NS	`rene.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rene.ns.cloudflare.com`
		A	108.162.195.180^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	162.159.44.180^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	172.64.35.180^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.26, 172.67.218.31
		IPv6 hints	2606:4700:3033::6815:261a, 2606:4700:3035::ac43:da1f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=36, name=cloudflare-ech.com
SOA	`collins.ns.cloudflare.com`dns@cloudflare.com serial=2408232455

`pl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a-dns.pl` ⭐
	NS	`b-dns.pl`
	NS	`d-dns.pl`
	NS	`f-dns.pl`
	NS	`h-dns.pl`
	NS	`j-dns.pl`
	TXT	`ccTLD of Poland`
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1783924434

Previously MX for

itsw.pl

Same first word

itsw.in

itsw.edu.pl

itsw.it

itsw.de

itsw.ru

itsw.cz

itsw.com

itsw.at

itsw.cn

itsw.nl

itsw.eu

itsw.org

itsw.education

itsw.xyz

itsw.pl

Similar names

swti.us

wits.de

stiw.eu

stiw.it

iwts.co.kr

itws.in

wits.services

swti.com.mx

twis.org

swit.mx

istw.eu

wsit.cn

itws.co.uk

wist.com.ua

wtis.de

wits.at

wits.co.kr

tisw.cn

wsit.tk

swit.co.kr

swit.pl

wits.github.io

wtsi.com

swti.org

iwts.fr

stwi.co.in

iswt.com

wits.bio

stiw.com.br

wsit.at

swit.no

swit.sk

wtsi.me

wits.us

wits.co.za

itws.com.br

swit.org.ua

twsi.us

wsit.com.br

itws.net

wist.jp

swit.or.kr

swit.co

wist.pl

wist.email

wist.lol

wsti.org

stwi.net

swit.as

twis.com

wsit.gmbh

iswt.de

siwt.net

tiws.com.ar

twis.biz

wits.co

wsit.dk

wtsi.org.uk

tisw.com

wist.com.pl

swit.se

wist.co

twsi.co.nz

wits.wales

tiws.co.uk

twis.net

swit.co.in

tsiw.com

wist.co.jp

wist.ca

stwi.co.uk

tiws.net

twsi.nl

wtsi.ca

twsi.co

stwi.at

twis.nl

wits.ru

wtsi.com.tw

wits.com.au

wtis.org

wits.ac.za

sitw.com.br

swit.net.cn

wsti.ru

iwts.de

wist.ro

itws.at

swit.ch

wist.org

swti.net

twsi.co.uk

wist.us

wits.dk

wsit.xyz

DNS History

12 records (6 active, 6 former)

●NScollins.ns.cloudflare.com2026-06-10 → 2026-07-13 · 3 obs

○ 2020-02-21 19:23:32
● 2026-06-10 03:39:52
● 2026-07-13 23:16:14

○NSns1.tld.pl2015-07-21 → 2020-02-21 · 4 obs

● 2015-07-21 07:47:24
● 2020-02-21 19:23:32
○ 2026-06-10 03:39:52
○ 2026-07-13 23:16:14

○NSns2.tld.pl2015-07-21 → 2020-02-21 · 4 obs

● 2015-07-21 07:47:24
● 2020-02-21 19:23:32
○ 2026-06-10 03:39:52
○ 2026-07-13 23:16:14

●NSrene.ns.cloudflare.com2026-06-10 → 2026-07-13 · 3 obs

○ 2020-02-21 19:23:32
● 2026-06-10 03:39:52
● 2026-07-13 23:16:14

○MXitsw.pl2015-07-21 → 2020-02-21 · 4 obs

● 2015-07-21 07:47:24
● 2020-02-21 19:23:32
○ 2026-06-10 03:39:52
○ 2026-07-13 23:16:14

●A104.21.38.262026-06-10 → 2026-07-13 · 3 obs

○ 2020-02-21 19:23:32
● 2026-06-10 03:39:52
● 2026-07-13 23:16:14

●A172.67.218.312026-06-10 → 2026-07-13 · 3 obs

○ 2020-02-21 19:23:32
● 2026-06-10 03:39:52
● 2026-07-13 23:16:14

○A195.149.228.922015-07-21 → 2020-02-21 · 4 obs

● 2015-07-21 07:47:24
● 2020-02-21 19:23:32
○ 2026-06-10 03:39:52
○ 2026-07-13 23:16:14

●A2606:4700:3033::6815:261a2026-06-19 → 2026-07-13 · 3 obs

○ 2026-06-17 08:24:38
● 2026-06-19 17:15:06
● 2026-07-13 23:16:14

●A2606:4700:3035::ac43:da1f2026-06-19 → 2026-07-13 · 3 obs

○ 2026-06-17 08:24:38
● 2026-06-19 17:15:06
● 2026-07-13 23:16:14

○A2606:4700:3036::ac43:da1f2026-06-10 → 2026-06-17 · 5 obs

○ 2020-02-21 19:23:32
● 2026-06-10 03:39:52
● 2026-06-17 08:24:38
○ 2026-06-19 17:15:06
○ 2026-07-13 23:16:14

○A2606:4700:3037::6815:261a2026-06-10 → 2026-06-17 · 5 obs

○ 2020-02-21 19:23:32
● 2026-06-10 03:39:52
● 2026-06-17 08:24:38
○ 2026-06-19 17:15:06
○ 2026-07-13 23:16:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	h-dns.pl, b-dns.pl, d-dns.pl, a-dns.pl...	-
itsw.pl	collins.ns.cloudflare.com, rene.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.226

NS records: collins.ns.cloudflare.com, rene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itsw.pl (unsigned zone)

⏱️ Timing

Total: 866ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.218.31, 104.21.38.26`
AAAA	2	`2606:4700:3035::ac43:da1f, 2606:4700:3033::6815:261a`
NS	2	`collins.ns.cloudflare.com, rene.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`collins.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

itsw.pl points to the four IP addresses 104.21.38.26, 172.67.218.31, 2606:4700:3033::6815:261a and 2606:4700:3035::ac43:da1f.

Additional host names — ns1.ipebj.com.br, wellnessinsightsnow.com, cache.netflix.com.id-nusa02kyo.server-vvip.sbs and two others — share IP numbers with itsw.pl.

Name Servers

Two name servers handle the delegation for itsw.pl: collins.ns.cloudflare.com and rene.ns.cloudflare.com.

itsw.pl shares its name server setup with other domains, including mycase.pl, techneo.pl, jeafufe.za.com and two others.

At least some of itsw.pl's name servers are shared with other domains, for example krakso.com, ajoliveira.pt, elriad.org and two more.

These name servers tend to be deployed in combination with the name servers marge.ns.cloudflare.com and rory.ns.cloudflare.com.

Host names with 6 IP numbers:

collins.ns.cloudflare.com resolves to 108.162.194.226, 162.159.38.226 and 172.64.34.226 among others, with 3 other IP addresses in total.

rene.ns.cloudflare.com resolves to 108.162.195.180, 162.159.44.180 and 172.64.35.180 among others, with 3 other IP addresses in total.

itsw.pl - robtex.com

itsw.pl

pl

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

`itsw.pl`

`pl`