`tsdohnal.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:26bf^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:89ec^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.191^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.236^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amir.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amir.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amir.ns.cloudflare.com`
		A	108.162.193.62^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
		A	172.64.33.62^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
		A	173.245.59.62^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amir.ns.cloudflare.com`
NS	`cortney.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c057^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cortney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2057^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cortney.ns.cloudflare.com`
		A	108.162.192.87^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	172.64.32.87^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	173.245.58.87^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
MX	`mail.tsdohnal.cz` ⭐
		A	88.86.121.144^{🇨🇿 SuperNetwork88.86.96.0/19 s.r.o.}
			PTR	`mail.wp-hosting.eu`
TXT	`mandrill_verify.uH3D-5YX9J2LisSLE-d_Yg`
TXT	`v=spf1 mx a ip4:88.86.121.128/27 ip4:185.247.28.0/22 88.86.115.0/24 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.191, 172.67.137.236
		IPv6 hints	2606:4700:3035::6815:26bf, 2606:4700:3035::ac43:89ec
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOA	`amir.ns.cloudflare.com`dns@cloudflare.com serial=2410217395

`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=1785935841

Subdomains

mail.tsdohnal.cz

Same first word

tsdohnal.cz

Similar names

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sandholt.no

hostland.no

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handslot.com

handlost.com

hotlands.com

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hostland.net

hostland.pro

thosland.com

hsotland.ru

landhost.ro

sandholt.is

thosland.dk

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landhost.com.br

stlhonda.com

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stlhonda.net

sandholt.net

sandholt.com

landhost.ru

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hosltand.ru

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hostland.de

shotland.com

nostdahl.com

shotland.co.il

hostland.com.mx

sandholt.eu

sandholt.info

landshot.com

sandholt.dk

thdloans.com

DNS History

20 records (7 active, 13 former)

●NSamir.ns.cloudflare.com2026-06-13 → 2026-08-05 · 3 obs

○ 2020-03-22 07:42:08
● 2026-06-13 09:15:08
● 2026-08-05 13:35:00

●NScortney.ns.cloudflare.com2026-06-13 → 2026-08-05 · 3 obs

○ 2020-03-22 07:42:08
● 2026-06-13 09:15:08
● 2026-08-05 13:35:00

○NSns.gransy.com2020-03-22 → 2020-03-22 · 4 obs

○ 2017-04-05 12:36:08
● 2020-03-22 07:42:08
○ 2026-06-13 09:15:08
○ 2026-08-05 13:35:00

○NSns1.savana.cz2015-08-05 → 2017-04-05 · 4 obs

● 2015-08-05 21:26:06
● 2017-04-05 12:36:08
○ 2020-03-22 07:42:08
○ 2026-08-05 13:35:00

○NSns2.gransy.com2020-03-22 → 2020-03-22 · 4 obs

○ 2017-04-05 12:36:08
● 2020-03-22 07:42:08
○ 2026-06-13 09:15:08
○ 2026-08-05 13:35:00

○NSns2.savana.cz2015-08-05 → 2017-04-05 · 4 obs

● 2015-08-05 21:26:06
● 2017-04-05 12:36:08
○ 2020-03-22 07:42:08
○ 2026-08-05 13:35:00

○NSns3.gransy.com2020-03-22 → 2020-03-22 · 4 obs

○ 2017-04-05 12:36:08
● 2020-03-22 07:42:08
○ 2026-06-13 09:15:08
○ 2026-08-05 13:35:00

○NSns3.savana.cz2015-08-05 → 2017-04-05 · 4 obs

● 2015-08-05 21:26:06
● 2017-04-05 12:36:08
○ 2020-03-22 07:42:08
○ 2026-08-05 13:35:00

○NSns4.gransy.com2020-03-22 → 2020-03-22 · 4 obs

○ 2017-04-05 12:36:08
● 2020-03-22 07:42:08
○ 2026-06-13 09:15:08
○ 2026-08-05 13:35:00

○NSns5.gransy.com2020-03-22 → 2020-03-22 · 4 obs

○ 2017-04-05 12:36:08
● 2020-03-22 07:42:08
○ 2026-06-13 09:15:08
○ 2026-08-05 13:35:00

●MXmail.tsdohnal.cz2020-03-22 → 2026-08-05 · 3 obs

○ 2017-04-05 12:36:08
● 2020-03-22 07:42:08
● 2026-08-05 13:35:00

○MXmx1.savana.cz2015-08-05 → 2017-04-05 · 4 obs

● 2015-08-05 21:26:06
● 2017-04-05 12:36:08
○ 2020-03-22 07:42:08
○ 2026-08-05 13:35:00

○MXmx2.savana.cz2015-08-05 → 2017-04-05 · 4 obs

● 2015-08-05 21:26:06
● 2017-04-05 12:36:08
○ 2020-03-22 07:42:08
○ 2026-08-05 13:35:00

●A104.21.38.1912026-06-13 → 2026-08-05 · 3 obs

○ 2020-03-22 07:42:08
● 2026-06-13 09:15:08
● 2026-08-05 13:35:00

●A172.67.137.2362026-06-13 → 2026-08-05 · 3 obs

○ 2020-03-22 07:42:08
● 2026-06-13 09:15:08
● 2026-08-05 13:35:00

○A217.16.187.192015-08-05 → 2017-04-05 · 4 obs

● 2015-08-05 21:26:06
● 2017-04-05 12:36:08
○ 2020-03-22 07:42:08
○ 2026-08-05 13:35:00

●A2606:4700:3035::6815:26bf2026-06-13 → 2026-08-05 · 3 obs

○ 2020-03-22 07:42:08
● 2026-06-13 09:15:08
● 2026-08-05 13:35:00

●A2606:4700:3035::ac43:89ec2026-06-13 → 2026-08-05 · 3 obs

○ 2020-03-22 07:42:08
● 2026-06-13 09:15:08
● 2026-08-05 13:35:00

○A2a00:1ed0:1:1800:7:1a:800:12015-08-05 → 2017-04-05 · 4 obs

● 2015-08-05 21:26:06
● 2017-04-05 12:36:08
○ 2020-03-22 07:42:08
○ 2026-08-05 13:35:00

○A88.86.121.1352020-03-22 → 2020-03-22 · 4 obs

○ 2017-04-05 12:36:08
● 2020-03-22 07:42:08
○ 2026-06-13 09:15:08
○ 2026-08-05 13:35:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
tsdohnal.cz	amir.ns.cloudflare.com, cortney.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.87

NS records: amir.ns.cloudflare.com, cortney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tsdohnal.cz (unsigned zone)

⏱️ Timing

Total: 941ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.191, 172.67.137.236`
AAAA	2	`2606:4700:3035::ac43:89ec, 2606:4700:3035::6815:26bf`
NS	2	`amir.ns.cloudflare.com, cortney.ns.cloudflare.com`
MX	1	`mail.tsdohnal.cz (pri: 10)`
TXT	2	`mandrill_verify.uH3D-5YX9J2LisSLE-d_Yg, v=spf1 mx a ip4:88.86.121.128/27 ip4:185`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amir.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

tsdohnal.cz is the parent zone for mail.tsdohnal.cz.

IP Addresses

tsdohnal.cz resolves to four IP addresses: 104.21.38.191, 172.67.137.236, 2606:4700:3035::6815:26bf and 2606:4700:3035::ac43:89ec.

a-c-elitzur.co.il, api.cryptochan.org, specialtymeatseafood.com plus two other host names have IP numbers in common with tsdohnal.cz.

Name Servers

DNS delegation for tsdohnal.cz points to two name servers: amir.ns.cloudflare.com and cortney.ns.cloudflare.com.

The name server configuration of tsdohnal.cz is shared with other domains, for instance hcuh.cz, wwinno.com, joeyborg.com and two others.

tsdohnal.cz partially shares its NS delegation with several other domains, including rpmeastvalley.com, 86(0x706f726e).lol, proimagetool.com and two others.

These name servers often co-occur with the name servers brett.ns.cloudflare.com.

Hosts with 6 IP addresses each:

amir.ns.cloudflare.com has IP addresses 108.162.193.62, 172.64.33.62 and 173.245.59.62, plus 3 other.

cortney.ns.cloudflare.com has IP addresses 108.162.192.87, 172.64.32.87 and 173.245.58.87, plus 3 other.

Mail Servers

tsdohnal.cz uses one mail server — mail.tsdohnal.cz.

mail.tsdohnal.cz has exactly one IP number: 88.86.121.144.

tsdohnal.cz - robtex.com

tsdohnal.cz

cz

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`tsdohnal.cz`

`cz`