`grno.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a0e:acc0::d22^{🇨🇿 WEDOS-GLOBAL2a0e:acc0::/48}
		PTR	`domain-default.wedos.global`
A	185.8.237.22^{🇨🇿 WEDOS-GLOBAL185.8.237.0/24 WEDOS Global}
NS	`ns.wedos.com` ⭐
		A	2a0e:acc0:1::cafe:cafe:cafe^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
		A	45.138.106.0^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
NS	`ns.wedos.cz`
		A	2a0e:acc0:1::caff:caff:cafb^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	2a0e:acc0:2::c:1:c1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	45.138.106.1^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	185.8.238.1^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
NS	`ns.wedos.eu`
		A	2a0e:acc0:2::b:1:b1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
		A	185.8.238.0^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
NS	`ns.wedos.net`
		A	2600:9000:a419:5a54:19f7:a614:36fd:2825^{🇺🇸 Amazon2600:9000:a400::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	2600:9000:a705:25bb:c632:5e5a:dd9c:1e46^{🇺🇸 Amazon2600:9000:a700::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	75.2.92.86^{🇺🇸 Amazon75.2.80.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
		A	99.83.142.9^{🇺🇸 Amazon99.83.128.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
MX	`70b1792f4edbc463.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	`70b1792f4edbc463.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`
SOA	`ns.wedos.com`wedos@wedos.com 2026-07-04 #1

`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=1783223240

Same first word

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DNS History

14 records (8 active, 6 former)

○NSns.endora.cz2015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 08:45:48
● 2017-04-19 20:00:36
○ 2026-06-26 16:22:30
○ 2026-07-05 04:07:56

○NSns.endoraland.com2015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 08:45:48
● 2017-04-19 20:00:36
○ 2026-06-26 16:22:30
○ 2026-07-05 04:07:56

●NSns.wedos.com2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

●NSns.wedos.cz2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

●NSns.wedos.eu2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

●NSns.wedos.net2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

●MX70b1792f4edbc463.mx1.emailprofi.seznam.cz2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

●MX70b1792f4edbc463.mx2.emailprofi.seznam.cz2026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

○MXmail.endora.cz2015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 08:45:48
● 2017-04-19 20:00:36
○ 2026-06-26 16:22:30
○ 2026-07-05 04:07:56

○MXmx.endoraland.com2015-05-10 → 2016-03-03 · 4 obs

● 2015-05-10 08:45:48
● 2016-03-03 01:28:34
○ 2016-06-26 05:40:26
○ 2026-07-05 04:07:56

●A185.8.237.222026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

○A2a01:28:ca:63:120:111::2015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 08:45:48
● 2017-04-19 20:00:36
○ 2026-06-26 16:22:30
○ 2026-07-05 04:07:56

●A2a0e:acc0::d222026-06-26 → 2026-07-05 · 3 obs

○ 2017-04-19 20:00:36
● 2026-06-26 16:22:30
● 2026-07-05 04:07:56

○A88.86.120.1112015-05-10 → 2017-04-19 · 4 obs

● 2015-05-10 08:45:48
● 2017-04-19 20:00:36
○ 2026-06-26 16:22:30
○ 2026-07-05 04:07:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz	-
grno.cz	ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net	4 records

✅ Authoritative Response

Server:45.138.106.0

NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.8.237.22`
AAAA	1	`2a0e:acc0::d22`
NS	4	`ns.wedos.com, ns.wedos.net...`
MX	2	`70b1792f4edbc463.mx2.emailprofi.seznam.c, 70b1792f4edbc463.mx1.emailprofi.seznam.c`
SOA	1	`ns.wedos.com wedos.wedos.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

IP Addresses

grno.cz points to the IP addresses 185.8.237.22 and 2a0e:acc0::d22

grafy.cz, mail.uprimnost.cz, nrw.akpeceny.cz and two other host names share IP numbers with grno.cz.

Name Servers

The authoritative name servers for grno.cz are ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

There is at least partial name server overlap between grno.cz and other domains — baltrotors.cz, alpha-team.cz, dsmind.eu and two more among them.

Hosts that point to four IP numbers:

ns.wedos.cz resolves to four IP addresses — 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.

ns.wedos.net resolves to four IP addresses — 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.

Hostnames that resolve to two IP addresses:

ns.wedos.com resolves to two addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.

ns.wedos.eu resolves to two addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.