`mrg.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.165^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mailin1.mrg.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:110^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx10.websupport.sk`
		A	45.13.137.109^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u5-mx.websupport.sk`
MX	`mailin2.mrg.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:114^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.hu`
		A	45.13.137.114^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.hu`
TXT	`v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1743117243

`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=1778496435

WOT: SAFE (64/100)

Subdomains

mailin2.mrg.cz

mailin1.mrg.cz

Same first word

mrg.com

mrg.org.uk

mrg.be

mrg.rs

mrg.agency

mrg.blue

mrg.ro

mrg.gov.ge

mrg.sakura.ne.jp

mrg.gov.ar

mrg.ru

mrg.bz

mrg.ma

mrg.org

mrg.com.au

mrg.edu.ee

mrg.no

mrg.re

mrg.cn

mrg.ir

mrg.net

mrg.co

mrg.co.jp

mrg.cz

mrg.education

mrg.gr

mrg.news

mrg.com.sg

mrg.it

mrg.com.br

mrg.nyc

mrg.es

mrg.pt

mrg.com.tr

mrg.jp

mrg.pl

mrg.legal

mrg.com.tw

mrg.si

mrg.ch

mrg.ae

mrg.com.sa

mrg.mobi

mrg.red

mrg.guru

mrg.se

mrg.de

mrg.gift

mrg.mx

mrg.mc

mrg.tv

mrg.ge

mrg.cc

mrg.spb.ru

mrg.solutions

mrg.org.il

mrg.fi

mrg.sk

Similar names

rmg.com.pt

mgr.de

mgr.com.br

grm.co.za

rgm.org

gmr.be

grm.in

rgm.hu

rmg.no

gmr.ru

rmg.com.ph

grm.co

gmr.ch

grm.jp

rmg.cc

mgr.accountants

rgm.biz

mgr.ir

grm.co.nz

mgr.pl

rmg.fr

rgm.cl

rgm.com.br

mgr.com

rgm.jp

rmg.systems

mgr.agency

grm.biz

gmr.co

rmg.li

gmr.com.fj

mgr.com.tr

rmg.com

rmg.lt

mgr.cn

mgr.team

mgr.edu.pl

mgr.jp

rgm.me

grm.tv

grm.si

rgm.pl

mgr.fr

grm.cl

mgr.hr

rmg.be

mgr.gr

grm.com

grm.com.cn

grm.co.uk

rmg.org.ua

rmg.de

gmr.net

grm.by

rmg.su

grm.de

grm.ca

rmg.si

rmg.digital

gmr.ie

rmg.la

rmg.com.qa

mgr.support

mgr.ee

mgr.lt

gmr.co.il

rgm.su

rmg.ee

rgm.fr

gmr.kz

gmr.ro

grm.com.co

rgm.dk

rmg.es

rmg.cn

rmg.org

mgr.farm

rmg.dp.ua

grm.com.my

grm.lt

DNS History

16 records (7 active, 9 former)

○NSalfa.ns.active24.cz2015-08-27 → 2021-02-05 · 4 obs

● 2015-08-27 05:07:56
● 2021-02-05 00:28:30
○ 2026-05-05 20:33:30
○ 2026-05-11 11:24:38

○NSbeta.ns.active24.cz2015-08-27 → 2021-02-05 · 4 obs

● 2015-08-27 05:07:56
● 2021-02-05 00:28:30
○ 2026-05-05 20:33:30
○ 2026-05-11 11:24:38

○NSgama.ns.active24.sk2015-08-27 → 2021-02-05 · 4 obs

● 2015-08-27 05:07:56
● 2021-02-05 00:28:30
○ 2026-05-05 20:33:30
○ 2026-05-11 11:24:38

●NSns1.websupport.cz2026-05-05 → 2026-05-11 · 3 obs

○ 2021-02-05 00:28:30
● 2026-05-05 20:33:30
● 2026-05-11 11:24:38

●NSns2.websupport.cz2026-05-05 → 2026-05-11 · 3 obs

○ 2021-02-05 00:28:30
● 2026-05-05 20:33:30
● 2026-05-11 11:24:38

●NSns3.websupport.eu2026-05-05 → 2026-05-11 · 3 obs

○ 2021-02-05 00:28:30
● 2026-05-05 20:33:30
● 2026-05-11 11:24:38

○MXin.smtp.cz2015-08-27 → 2016-12-24 · 4 obs

● 2015-08-27 05:07:56
● 2016-12-24 21:26:02
○ 2021-02-05 00:28:30
○ 2026-05-11 11:24:38

●MXmailin1.mrg.cz2026-05-05 → 2026-05-11 · 3 obs

○ 2021-02-05 00:28:30
● 2026-05-05 20:33:30
● 2026-05-11 11:24:38

●MXmailin2.mrg.cz2026-05-05 → 2026-05-11 · 3 obs

○ 2021-02-05 00:28:30
● 2026-05-05 20:33:30
● 2026-05-11 11:24:38

○MXmx.smtp.cz2015-08-27 → 2016-12-24 · 4 obs

● 2015-08-27 05:07:56
● 2016-12-24 21:26:02
○ 2021-02-05 00:28:30
○ 2026-05-11 11:24:38

○MXmx1.active24.com2021-02-05 → 2021-02-05 · 4 obs

○ 2016-12-24 21:26:02
● 2021-02-05 00:28:30
○ 2026-05-05 20:33:30
○ 2026-05-11 11:24:38

○MXmx2.active24.com2021-02-05 → 2021-02-05 · 4 obs

○ 2016-12-24 21:26:02
● 2021-02-05 00:28:30
○ 2026-05-05 20:33:30
○ 2026-05-11 11:24:38

●A2a00:4b40:aaaa:2005::62026-05-05 → 2026-05-11 · 3 obs

○ 2021-02-05 00:28:30
● 2026-05-05 20:33:30
● 2026-05-11 11:24:38

○A31.15.10.482016-09-05 → 2021-02-05 · 5 obs

○ 2016-05-26 10:16:44
● 2016-09-05 23:52:12
● 2021-02-05 00:28:30
○ 2026-05-05 20:33:30
○ 2026-05-11 11:24:38

●A37.9.175.1652026-05-05 → 2026-05-11 · 3 obs

○ 2021-02-05 00:28:30
● 2026-05-05 20:33:30
● 2026-05-11 11:24:38

○A81.95.96.762015-08-27 → 2016-05-26 · 4 obs

● 2015-08-27 05:07:56
● 2016-05-26 10:16:44
○ 2016-09-05 23:52:12
○ 2026-05-11 11:24:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
mrg.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 951ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.165`
AAAA	1	`2a00:4b40:aaaa:2005::6`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.mrg.cz (pri: 10), mailin2.mrg.cz (pri: 100)`
TXT	1	`v=spf1 include:spf.active24.com include:`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

mrg.cz is a parent of mailin2.mrg.cz and mailin1.mrg.cz.

IP Addresses

mrg.cz points to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.165.

Other host names such as hotelnautico.cz, mailin2.txt.agite.cz, primda.com, www.apsprojekt.cz and acmr.cz share IPs with mrg.cz.

Name Servers

mrg.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

mrg.cz at least partially shares name servers with other domains, for example sweet-home.cz, vev.cz, plavky.info, karlinordinace.cz and middex.sk.

These name servers are commonly used with ns1.websupport.sk and ns2.websupport.sk and ns3.websupport.sk.

Host names with two IP numbers:

ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11

ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12

ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13

Mail Servers

Two mail servers handle mrg.cz: mailin1.mrg.cz and mailin2.mrg.cz.

Host names with two IP numbers:

mailin1.mrg.cz points to 2a00:4b40:aaaa:2101:45:13:137:110 and 45.13.137.109.

mailin2.mrg.cz points to 2a00:4b40:aaaa:2101:45:13:137:114 and 45.13.137.114.

mrg.cz - robtex.com

mrg.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

`mrg.cz`

`cz`