write.cz - dns.ninja

`write.cz`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::6815:41e6^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9817^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.230^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.23^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`graham.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`graham.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`graham.ns.cloudflare.com`
		A	108.162.193.171^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	172.64.33.171^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	173.245.59.171^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
NS	`nadia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nadia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nadia.ns.cloudflare.com`
		A	108.162.192.207^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
		A	172.64.32.207^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
		A	173.245.58.207^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
MX	`a43eaa322210d865.mx2.emailprofi.seznam.cz` ⭐
		A	2a02:598:2::1146^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
		A	77.75.77.146^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
MX	`a43eaa322210d865.mx1.emailprofi.seznam.cz`⁽²⁰⁾
		A	2a02:598:2::1056^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
		A	77.75.77.56^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
TXT	`google-site-verification=DAIkZjwLNv8HiID8glJAoRxrRrVRVZFkpzc_RTJlufc`
TXT	`google-site-verification=vEX4pNxgYqxviSGJObdat34bgBPrOPUtYWtPxLUejcI`
TXT	`v=spf1 include:_hosting.write.cz include:_spf.google.com include:spf.seznam.c...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.230, 172.67.152.23
		IPv6 hints	2606:4700:3030::6815:41e6, 2606:4700:3033::ac43:9817
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOA	`graham.ns.cloudflare.com`dns@cloudflare.com serial=2411079463

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1785611840

Previously MX for

brosway.cz

bytymikulov.cz

dovolena-francie.com

kyoprint.cz

Subdomains

magento.write.cz

git.write.cz

postak.write.cz

mail.write.cz

mx.write.cz

sys1.write.cz

hosting.write.cz

www.write.cz

Same first word

write.com.br

write.team

write.life

write.systems

write.red

write.eu

write.place

write.ch

write.black

write.bio

write.name

write.bet

write.world

write.guru

write.media

write.co

write.as

write.codes

write.pl

write.nu

write.ws

write.zone

write.su

write.pw

write.com.hk

write.co.jp

write.be

write.tw

write.ru

write.biz

write.coffee

write.us

write.my

write.gg

write.email

write.sky

write.it

write.com.ua

write.tv

write.us.com

write.co.nz

write.net

write.house

write.to.it

write.land

write.services

write.date

write.tips

write.es

write.dk

write.in

write.ie

write.sk

write.info

write.com

write.at

write.guide

write.io

write.org

write.to

write.stream

write.app

write.technology

write.style

write.lt

write.gr

write.x443.pw

write.pink

write.cz

write.cn

Similar names

witre.se

witre.nu

triwe.net

ewirt.com

twire.nu

wetri.us

werit.pl

triwe.cl

twire.ca

twier.nl

retwi.com

iwert.biz

rweti.international

twire.co.jp

twier.com

ewtri.com

werit.de

werti.net

witre.fr

weirt.com

witre.fi

witre.dk

werti.de

werit.com

wetri.com.cn

wiert.nl

terwi.com

rweti.com

wiert.com

twier.de

rwite.com

erwit.pl

wiert.at

wiert.eu

werit.co.za

rweit.com

weitr.com

trewi.net

werit.at

werti.ru

tweri.com

triwe.com

twire.de

tirew.com

trewi.de

reitw.com

twire.com

werti.com.br

witre.info

werit.eu

witre.biz

wiert.me

twire.co.uk

wetri.com

werti.com

iwert.de

twire.gg

witre.com

DNS History

21 records (8 active, 13 former)

●NSgraham.ns.cloudflare.com2026-02-18 → 2026-08-01 · 3 obs

○ 2016-12-16 09:52:46
● 2026-02-18 16:12:48
● 2026-08-01 19:40:36

●NSnadia.ns.cloudflare.com2026-02-18 → 2026-08-01 · 3 obs

○ 2016-12-16 09:52:46
● 2026-02-18 16:12:48
● 2026-08-01 19:40:36

○NSns.wedos.com2015-08-21 → 2016-12-16 · 4 obs

● 2015-08-21 05:32:02
● 2016-12-16 09:52:46
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

○NSns.wedos.cz2015-08-21 → 2016-12-16 · 4 obs

● 2015-08-21 05:32:02
● 2016-12-16 09:52:46
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

○NSns.wedos.eu2015-08-21 → 2016-12-16 · 4 obs

● 2015-08-21 05:32:02
● 2016-12-16 09:52:46
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

○NSns.wedos.net2015-08-21 → 2016-12-16 · 4 obs

● 2015-08-21 05:32:02
● 2016-12-16 09:52:46
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

●MXa43eaa322210d865.mx1.emailprofi.seznam.cz2026-02-18 → 2026-08-01 · 3 obs

○ 2016-12-16 09:52:46
● 2026-02-18 16:12:48
● 2026-08-01 19:40:36

●MXa43eaa322210d865.mx2.emailprofi.seznam.cz2026-02-18 → 2026-08-01 · 3 obs

○ 2016-12-16 09:52:46
● 2026-02-18 16:12:48
● 2026-08-01 19:40:36

○MXmx.write.cz2016-12-16 → 2016-12-16 · 4 obs

○ 2015-08-21 05:32:02
● 2016-12-16 09:52:46
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

○MXpostak.write.cz2015-08-21 → 2016-12-16 · 4 obs

● 2015-08-21 05:32:02
● 2016-12-16 09:52:46
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

●A104.21.65.2302026-02-18 → 2026-08-01 · 3 obs

○ 2017-10-17 21:44:52
● 2026-02-18 16:12:48
● 2026-08-01 19:40:36

○A104.24.120.1992017-10-17 → 2017-10-17 · 4 obs

○ 2016-12-16 09:52:46
● 2017-10-17 21:44:52
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

○A104.24.121.1992017-10-17 → 2017-10-17 · 4 obs

○ 2016-12-16 09:52:46
● 2017-10-17 21:44:52
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

●A172.67.152.232026-02-18 → 2026-08-01 · 3 obs

○ 2017-10-17 21:44:52
● 2026-02-18 16:12:48
● 2026-08-01 19:40:36

○A2400:cb00:2048:1::6818:78c72017-10-17 → 2017-10-17 · 4 obs

○ 2016-12-16 09:52:46
● 2017-10-17 21:44:52
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

○A2400:cb00:2048:1::6818:79c72017-10-17 → 2017-10-17 · 4 obs

○ 2016-12-16 09:52:46
● 2017-10-17 21:44:52
○ 2026-02-18 16:12:48
○ 2026-08-01 19:40:36

●A2606:4700:3030::6815:41e62026-06-23 → 2026-08-01 · 3 obs

○ 2026-06-14 20:33:22
● 2026-06-23 12:59:40
● 2026-08-01 19:40:36

○A2606:4700:3031::6815:41e62026-02-18 → 2026-06-14 · 5 obs

○ 2017-10-17 21:44:52
● 2026-02-18 16:12:48
● 2026-06-14 20:33:22
○ 2026-06-23 12:59:40
○ 2026-08-01 19:40:36

●A2606:4700:3033::ac43:98172026-06-23 → 2026-08-01 · 3 obs

○ 2026-06-14 20:33:22
● 2026-06-23 12:59:40
● 2026-08-01 19:40:36

○A2606:4700:3037::ac43:98172026-02-18 → 2026-06-14 · 5 obs

○ 2017-10-17 21:44:52
● 2026-02-18 16:12:48
● 2026-06-14 20:33:22
○ 2026-06-23 12:59:40
○ 2026-08-01 19:40:36

○A94.23.170.2142015-08-21 → 2016-12-16 · 4 obs

● 2015-08-21 05:32:02
● 2016-12-16 09:52:46
○ 2017-10-17 21:44:52
○ 2026-08-01 19:40:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz	-
write.cz	graham.ns.cloudflare.com, nadia.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.171

NS records: graham.ns.cloudflare.com, nadia.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1434ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.230, 172.67.152.23`
AAAA	2	`2606:4700:3033::ac43:9817, 2606:4700:3030::6815:41e6`
NS	2	`graham.ns.cloudflare.com, nadia.ns.cloudflare.com`
MX	2	`a43eaa322210d865.mx2.emailprofi.seznam.c, a43eaa322210d865.mx1.emailprofi.seznam.c`
TXT	3	`google-site-verification=DAIkZjwLNv8HiID, google-site-verification=vEX4pNxgYqxviSG...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`graham.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

magento.write.cz, git.write.cz, postak.write.cz, mail.write.cz, mx.write.cz and a few other host names are all children of write.cz.

IP Addresses

write.cz points to the four IP addresses 104.21.65.230, 172.67.152.23, 2606:4700:3030::6815:41e6 and 2606:4700:3033::ac43:9817.

Additional host names — vintagevegan.dk, 028miniao.com, wylm8.com and two others — share IP numbers with write.cz.

Name Servers

Two name servers handle the delegation for write.cz: graham.ns.cloudflare.com and nadia.ns.cloudflare.com.

write.cz shares its name server setup with other domains, including ontheline.org.au, valasskybaca.cz, lifeline.org.au and two others.

The name servers of write.cz overlap at least partially with those of other domains — among them dumpsterwise.com, nvisibility.com, uncommontransformation.tv and two more.

These name servers commonly appear alongside the name servers june.ns.cloudflare.com and dakota.ns.cloudflare.com.

Host names with 6 IP numbers:

graham.ns.cloudflare.com resolves to 108.162.193.171, 172.64.33.171 and 173.245.59.171 among others, with 3 other IP addresses in total.

nadia.ns.cloudflare.com resolves to 108.162.192.207, 172.64.32.207 and 173.245.58.207 among others, with 3 other IP addresses in total.

Mail Servers

write.cz has two mail servers: a43eaa322210d865.mx1.emailprofi.seznam.cz and a43eaa322210d865.mx2.emailprofi.seznam.cz.

a43eaa322210d865.mx1.emailprofi.seznam.cz and a43eaa322210d865.mx2.emailprofi.seznam.cz both carry two IP addresses. The A records for a43eaa322210d865.mx1.emailprofi.seznam.cz are 77.75.77.56 and 2a02:598:2::1056; the A records for a43eaa322210d865.mx2.emailprofi.seznam.cz are 77.75.77.146 and 2a02:598:2::1146.