`cgu.sk`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2007::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.179^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.sk` ⭐
		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.sk`
		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.sk`
		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	`cgu-sk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`MS=ms55098267`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.m1.websupport.sk -all`
SOA	`ns1.websupport.sk`admin@websupport.sk serial=1678391558

`sk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.tld.sk` ⭐
	NS	`e.tld.sk`
	NS	`f.tld.sk`
	NS	`g.tld.sk`
	NS	`h.tld.sk`
	SOA	`m.tld.sk`hostmaster@sk-nic.sk serial=2018595129

Same first word

cgu.com.uy

cgu.ca

cgu.edu

cgu.mobi

cgu.com.es

cgu.org

cgu.net

cgu.claims

cgu.co.il

cgu.ir

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cgu.me

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cgu.co.uk

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cgu.pl

cgu.edu.pl

cgu.us

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cgu.com

cgu.edu.tw

Similar names

gcu.pl

ugc.mobi

ugc.gg

guc.pl

ugc.com.ar

ugc.ac.in

cug.mobi

gcu.info

guc.biz

ugc.com.cn

ucg.academy

ucg.ch

guc.schule

ugc.me

cug.com.mx

ucg.cat

cug.eu

ugc.com.au

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guc.services

ucg.edu.br

ugc.com.mx

ucg.org

cug.org

gcu.com.mx

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gcu.nl

ugc.jo

ugc.edu.hk

guc.fr

ucg.com.cn

ugc.be

ucg.org.ua

guc.org.uk

cug.edu.gh

ucg.fr

gcu.coffee

gcu.cz

ugc.su

gcu.it

ugc.gov.in

ugc.ac.lk

ucg.es

gcu.ac.uk

ugc.media

cug.ru

cug.com.br

guc.cz

ugc.casino

ugc.info

ugc.id

guc.com.tr

guc.au

ucg.kz

cug.se

ucg.gr

ugc.ro

gcu.no

guc.org.ua

ucg.us

ucg.com.au

gcu.edu.gh

gcu.university

gcu.ch

ugc.dev

guc.mobi

ugc.ir

ugc.com.ua

ucg.co.nz

ucg.org.nz

ugc.io

cug.com.au

ucg.ltd

ucg.ge

guc.or.kr

gcu.soccer

gcu.us

ucg.net.au

ugc.asia

gcu.ie

ucg.info

ucg.com

cug.net

ugc.net

ucg.ca

ucg.pl

ucg.be

gcu.co.uk

gcu.com

guc.in

DNS History

6 records (6 active, 0 former)

●NSns1.websupport.sk2026-06-27 → 2026-08-05 · 2 obs

● 2026-06-27 22:45:26
● 2026-08-05 15:24:44

●NSns2.websupport.sk2026-06-27 → 2026-08-05 · 2 obs

● 2026-06-27 22:45:26
● 2026-08-05 15:24:44

●NSns3.websupport.sk2026-06-27 → 2026-08-05 · 2 obs

● 2026-06-27 22:45:26
● 2026-08-05 15:24:44

●MXcgu-sk.mail.protection.outlook.com2026-06-27 → 2026-08-05 · 2 obs

● 2026-06-27 22:45:26
● 2026-08-05 15:24:44

●A2a00:4b40:aaaa:2007::62026-06-27 → 2026-08-05 · 2 obs

● 2026-06-27 22:45:26
● 2026-08-05 15:24:44

●A37.9.175.1792026-06-27 → 2026-08-05 · 2 obs

● 2026-06-27 22:45:26
● 2026-08-05 15:24:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk	8 records
cgu.sk	ns3.websupport.sk, ns2.websupport.sk, ns1.websupport.sk	6 records

✅ Authoritative Response

Server:45.10.97.11

NS records: ns3.websupport.sk, ns2.websupport.sk, ns1.websupport.sk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.179`
AAAA	1	`2a00:4b40:aaaa:2007::6`
NS	3	`ns1.websupport.sk, ns2.websupport.sk...`
MX	1	`cgu-sk.mail.protection.outlook.com (pri:`
TXT	2	`MS=ms55098267, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.websupport.sk admin.websupport.sk`

📌 Glue Records Collected

Total: 14

In-bailiwick: 8 (e.tld.sk, e.tld.sk, f.tld.sk...)

Out-of-bailiwick: 6 (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk...)

Analysis

IP Addresses

cgu.sk points to the IP addresses 37.9.175.179 and 2a00:4b40:aaaa:2007::6

www.mediatech.sk, famihouse.sk, sal.sk plus two other host names have IP numbers in common with cgu.sk.

Name Servers

cgu.sk has three name servers — ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

There is at least partial name server overlap between cgu.sk and other domains — cafequindio.sk, adlertricka.sk, elektrosvit.eu and two more among them.

Each of ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk points to two IP numbers. ns1.websupport.sk points to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.sk points to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.sk points to 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

cgu.sk uses one mail server — cgu-sk.mail.protection.outlook.com.

cgu-sk.mail.protection.outlook.com has 8 IP addresses: 52.101.68.5, 52.101.73.15, 52.101.73.22 plus 5 more.

cgu.sk - robtex.com

cgu.sk

sk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cgu.sk`

`sk`