`skolycb.cz`

DNSSEC	⚠️ Not signed
A	188.120.220.165^{🇨🇿 IP4ISP188.120.192.0/19 z.s.p.o. network route}
		PTR	`165.c-budejovice.cz`
NS	`ns.grdns.cz` ⭐
		A	2001:15e8:101:1::c268^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.grdns.cz`
		A	81.2.194.104^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.grdns.cz`
NS	`ns.grdns.it`
		A	2a00:6d41:2:1::7^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.grdns.it`
		A	95.110.254.167^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`ns.grdns.it`
SOA	`ns.grdns.cz`admin@grdns.cz 2020-01-22 #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=1778532454

Same first word

skolycb.cz

Similar names

blocksy.com

syblock.com

skybloc.com

cbskylo.com

blocksy.ru

blocksy.it

DNS History

4 records (3 active, 1 former)

●NSns.grdns.cz2015-06-22 → 2026-05-11 · 2 obs

● 2015-06-22 10:12:08
● 2026-05-11 21:11:16

●NSns.grdns.it2015-06-22 → 2026-05-11 · 2 obs

● 2015-06-22 10:12:08
● 2026-05-11 21:11:16

○A188.120.220.1302015-06-22 → 2017-02-16 · 4 obs

● 2015-06-22 10:12:08
● 2017-02-16 19:34:42
○ 2019-03-16 23:46:46
○ 2026-05-11 21:11:16

●A188.120.220.1652019-03-16 → 2026-05-11 · 3 obs

○ 2017-02-16 19:34:42
● 2019-03-16 23:46:46
● 2026-05-11 21:11:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
skolycb.cz	ns.grdns.cz, ns.grdns.it	2 records

✅ Authoritative Response

Server:95.110.254.167

NS records: ns.grdns.cz, ns.grdns.it

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skolycb.cz (unsigned zone)

⏱️ Timing

Total: 3507ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.120.220.165`
NS	2	`ns.grdns.cz, ns.grdns.it`
SOA	1	`ns.grdns.cz admin.grdns.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)

Analysis

IP Addresses

skolycb.cz maps to IP address 188.120.220.165.

Other host names, for example mestocb.cz, budweis.eu and ceskebudejovice.eu share the same IP as skolycb.cz.

Name Servers

Two name servers ns.grdns.cz and ns.grdns.it are delegated to skolycb.cz.

skolycb.cz uses the same name server configuration as other domains, such as isan.cz, www.abess.cz, iistabor.cz, dookie.cz and e-pravo.eu.

Host names with two IPs:

ns.grdns.cz points to 2001:15e8:101:1::c268 and 81.2.194.104.

ns.grdns.it points to 2a00:6d41:2:1::7 and 95.110.254.167.

skolycb.cz - robtex.com

skolycb.cz

cz