`sql.cz`

DNSSEC	🔒 Signed (DS record present)
A	89.22.68.80^{🇨🇿 ADCSYSTEMS89.22.64.0/19 DAC-route-new}
		PTR	`web.sofist.cz`
NS	`ns.ipg.sk` ⭐
		A	185.23.114.50^{🇸🇰 LEKOS185.23.114.0/23}
			PTR	`ns.ipg.sk`
NS	`ns-us.sofist.cz`
		A	2605:a140:2230:7333::1^{🇺🇸 CONTABO-USA2605:a140::/32 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States}
			PTR	`ns-us.sofist.cz`
		A	212.28.184.4^{🇮🇹 CONTABO-USA212.28.184.0/21}
			PTR	`ns-us.sofist.cz`
NS	`ns.sofist.cz`
		A	89.22.68.21^{🇨🇿 ADCSYSTEMS89.22.64.0/19 DAC-route-new}
			PTR	`ns.sofist.cz`
SOA	`ns.ipg.sk`drotar@ipg.sk 2026-04-19 #0

`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=1776964633

Same first word

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DNS History

12 records (4 active, 8 former)

●NSns-us.sofist.cz2026-02-17 → 2026-04-23 · 3 obs

○ 2015-08-23 19:00:12
● 2026-02-17 12:37:04
● 2026-04-23 17:41:00

●NSns.ipg.sk2015-08-23 → 2026-04-23 · 2 obs

● 2015-08-23 19:00:12
● 2026-04-23 17:41:00

●NSns.sofist.cz2015-08-23 → 2026-04-23 · 2 obs

● 2015-08-23 19:00:12
● 2026-04-23 17:41:00

○MXalt1.aspmx.l.google.com2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

○MXalt2.aspmx.l.google.com2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

○MXaspmx.l.google.com2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

○MXaspmx2.googlemail.com2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

○MXaspmx3.googlemail.com2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

○MXaspmx4.googlemail.com2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

○MXaspmx5.googlemail.com2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

○MXns.sofist.cz2015-08-23 → 2017-09-07 · 4 obs

● 2015-08-23 19:00:12
● 2017-09-07 04:40:42
○ 2026-02-17 12:37:04
○ 2026-04-23 17:41:00

●A89.22.68.802026-02-17 → 2026-04-23 · 2 obs

● 2026-02-17 12:37:04
● 2026-04-23 17:41:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
sql.cz	ns.ipg.sk, ns.sofist.cz, ns-us.sofist.cz	3 records

✅ Authoritative Response

Server:89.22.68.21

NS records: ns.ipg.sk, ns.sofist.cz, ns-us.sofist.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1224ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.22.68.80`
NS	3	`ns.ipg.sk, ns.sofist.cz...`
SOA	1	`ns.ipg.sk drotar.ipg.sk`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns.sofist.cz, ns-us.sofist.cz, ns-us.sofist.cz)

Analysis

IP Addresses

sql.cz points to a single IP: 89.22.68.80.

Other host names, for instance dzaniben.cz, klaviry.cz, sofist.cz, cybermiss.cz and nanook.cz share IP numbers with sql.cz.

Name Servers

sql.cz is delegated to three name servers: ns-us.sofist.cz, ns.sofist.cz and ns.ipg.sk.

sql.cz partially shares name servers with other domains; examples include pictures.sk, sport-live.sk, sofist.cz, in4.sk and v7s.info.

these name servers are commonly used with the name servers rumcajz.pcv.cz.

Two IPs for a host:

ns-us.sofist.cz points to 2605:a140:2230:7333::1 and 212.28.184.4.

One IP per host:

ns.sofist.cz points to 89.22.68.21.

ns.ipg.sk points to 185.23.114.50.

sql.cz - robtex.com

sql.cz

cz

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

`sql.cz`

`cz`