`pooltechnika.cz`

DNSSEC	⚠️ Not signed
A	2a02:6c20:824:100:185:59:147:166^{🇨🇿 amccomp-master-brno2a02:6c20::/32}
		PTR	`web4.impnet.cz`
A	185.59.147.166^{🇨🇿 amccomp-master-brno185.59.144.0/22}
NS	`ns2.gransy.com` ⭐
		A	2001:19f0:6801:474:5400:1ff:fec5:8efb^{🇫🇷 AS-VULTR2001:19f0:6800::/38 Vultr Assigned Prefix}
		A	2001:19f0:7401:81e0:5400:1ff:fec5:8ef6^{🇬🇧 AS-VULTR2001:19f0:7400::/38 Vultr Assigned Prefix}
		A	95.179.192.121^{🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix}
			PTR	`95.179.192.121.vultrusercontent.com`
		A	217.16.185.221^{🇨🇿 VSHOSTING217.16.176.0/20 III.}
			PTR	`ns2.gransy.com`
		A	217.69.4.49^{🇫🇷 AS-VULTR217.69.0.0/20 Vultr Assigned Prefix}
			PTR	`217.69.4.49.vultrusercontent.com`
NS	`ns.gransy.com`
		A	2001:19f0:5001:1caf:5400:1ff:fec5:8d50^{🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix}
		A	45.76.90.43^{🇩🇪 AS-VULTR45.76.80.0/20 Vultr Assigned Prefix}
			PTR	`45.76.90.43.vultrusercontent.com`
		A	77.78.104.149^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
			PTR	`ns.gransy.com`
		A	95.179.136.180^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`95.179.136.180.vultrusercontent.com`
NS	`ns3.gransy.com`
		A	2a02:750:7::2e7^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-7--2e7-static.glesys.net`
		A	2a02:750:8::32^{🇳🇱 GLESYS2a02:750:8::/48 GleSYS AB}
			PTR	`2a02-750-8--32-static.glesys.net`
		A	46.21.100.103^{🇳🇱 GLESYS46.21.100.0/24 GleSYS AB}
			PTR	`46-21-100-103-static.glesys.net`
		A	77.78.126.35^{🇨🇿 CASABLANCA-AS77.78.124.0/22 Casablanca INT}
		A	109.74.7.71^{🇸🇪 GLESYS109.74.0.0/20}
			PTR	`109-74-7-71-static.glesys.net`
NS	`ns4.gransy.com`
		A	2001:19f0:5401:69b:5400:1ff:fec5:8f3f^{🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix}
		A	2a00:1a28:2010:1::89^{🇳🇴 GLESYS2a00:1a28::/32 Portlane Network}
			PTR	`2a00-1a28-2010-1--89-static.glesys.net`
		A	66.42.94.136^{🇺🇸 AS-VULTR66.42.80.0/20 Vultr Assigned Prefix}
			PTR	`66.42.94.136.vultrusercontent.com`
		A	80.67.7.209^{🇳🇴 GLESYS80.67.0.0/20 Portlane Network}
			PTR	`80-67-7-209-static.glesys.net`
NS	`ns5.gransy.com`
		A	2a02:750:5::538^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-5--538-static.glesys.net`
		A	31.192.227.223^{🇸🇪 GLESYS31.192.224.0/21}
			PTR	`31-192-227-223-static.glesys.net`
MX	`mx1.amccomp.cz` ⭐
		A	2a02:6c20:2:1::22^{🇨🇿 amccomp-master-brno2a02:6c20::/32}
			PTR	`mx1.amccomp.cz`
		A	185.179.33.22^{🇨🇿 amccomp-master-brno185.179.33.0/24}
			PTR	`mx1.amccmp.cz`
MX	`mx2.amccomp.cz`⁽²⁰⁾
		A	2a02:6c20:5:1::15^{🇨🇿 amccomp-unin2a02:6c20:5::/48}
		A	185.179.34.15^{🇨🇿 amccomp-unin185.179.34.0/24}
TXT	`v=spf1 a mx include:_spf.impnet.cz include:amccomp.cz include:servers.mcsv.ne...`
TXT	`sslmarket.sk. 3600 IN TXT 20170313115848xw7ce3rd0qs5i41avvbc2v9e6u4xjgtsh0vem...`
SOA	`ns.gransy.com`root@gransy.com serial=2772186960

`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=1775051236

Same first word

pooltechnika.cz

DNS History

21 records (9 active, 12 former)

●NSns.gransy.com2026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

○NSns1.antee.cz2015-07-15 → 2016-03-20 · 4 obs

● 2015-07-15 11:04:42
● 2016-03-20 22:51:04
○ 2017-02-16 20:05:04
○ 2026-04-01 13:57:38

○NSns1.websupport.sk2017-02-16 → 2017-02-16 · 4 obs

○ 2016-03-20 22:51:04
● 2017-02-16 20:05:04
○ 2026-02-16 14:51:36
○ 2026-04-01 13:57:38

○NSns2.antee.cz2015-07-15 → 2016-03-20 · 4 obs

● 2015-07-15 11:04:42
● 2016-03-20 22:51:04
○ 2017-02-16 20:05:04
○ 2026-04-01 13:57:38

●NSns2.gransy.com2026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

○NSns2.websupport.sk2017-02-16 → 2017-02-16 · 4 obs

○ 2016-03-20 22:51:04
● 2017-02-16 20:05:04
○ 2026-02-16 14:51:36
○ 2026-04-01 13:57:38

●NSns3.gransy.com2026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

○NSns3.websupport.sk2017-02-16 → 2017-02-16 · 4 obs

○ 2016-03-20 22:51:04
● 2017-02-16 20:05:04
○ 2026-02-16 14:51:36
○ 2026-04-01 13:57:38

●NSns4.gransy.com2026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

●NSns5.gransy.com2026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

○MXbackup.antee.cz2015-07-15 → 2016-03-20 · 4 obs

● 2015-07-15 11:04:42
● 2016-03-20 22:51:04
○ 2017-02-16 20:05:04
○ 2026-04-01 13:57:38

○MXmail.antee.cz2015-07-15 → 2016-03-20 · 4 obs

● 2015-07-15 11:04:42
● 2016-03-20 22:51:04
○ 2017-02-16 20:05:04
○ 2026-04-01 13:57:38

○MXmailin1.pooltechnika.cz2017-02-16 → 2017-02-16 · 4 obs

○ 2016-03-20 22:51:04
● 2017-02-16 20:05:04
○ 2026-02-16 14:51:36
○ 2026-04-01 13:57:38

○MXmailin2.pooltechnika.cz2017-02-16 → 2017-02-16 · 4 obs

○ 2016-03-20 22:51:04
● 2017-02-16 20:05:04
○ 2026-02-16 14:51:36
○ 2026-04-01 13:57:38

●MXmx1.amccomp.cz2026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

●MXmx2.amccomp.cz2026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

●A185.59.147.1662026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

○A217.11.227.762015-07-15 → 2015-12-11 · 4 obs

● 2015-07-15 11:04:42
● 2015-12-11 09:39:52
○ 2016-03-20 22:51:04
○ 2026-04-01 13:57:38

●A2a02:6c20:824:100:185:59:147:1662026-02-16 → 2026-04-01 · 3 obs

○ 2017-02-16 20:05:04
● 2026-02-16 14:51:36
● 2026-04-01 13:57:38

○A37.9.174.382016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-11 09:39:52
● 2016-03-20 22:51:04
○ 2017-02-16 20:05:04
○ 2026-04-01 13:57:38

○A37.9.174.532017-02-16 → 2017-02-16 · 4 obs

○ 2016-03-20 22:51:04
● 2017-02-16 20:05:04
○ 2026-02-16 14:51:36
○ 2026-04-01 13:57:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
pooltechnika.cz	ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com...	-

✅ Authoritative Response

Server:66.42.94.136

NS records: ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pooltechnika.cz (unsigned zone)

⏱️ Timing

Total: 1687ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.59.147.166`
AAAA	1	`2a02:6c20:824:100:185:59:147:166`
NS	5	`ns3.gransy.com, ns5.gransy.com...`
MX	2	`mx1.amccomp.cz (pri: 10), mx2.amccomp.cz (pri: 20)`
TXT	2	`sslmarket.sk. 3600 IN TXT 20170313115848, v=spf1 a mx include:_spf.impnet.cz inclu`
SOA	1	`ns.gransy.com root.gransy.com`

Analysis

IP Addresses

pooltechnika.cz points to two IP numbers: 2a02:6c20:824:100:185:59:147:166 and 185.59.147.166.

Other host names, for instance bosladna.cz, renol.cz, sportovnidresy.cz, web4.impnet.cz and npe.cz share IP numbers with pooltechnika.cz.

Name Servers

pooltechnika.cz is delegated to five name servers: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com and ns.gransy.com.

pooltechnika.cz shares name servers with other domains at least partially, for instance dokonalyweb.cz, untt.org, texttycoon.com, gay-boys.info and tokpost.com.

these name servers are often used with ns2.internetserver.cz, ns.internetserver.cz and ns3.dns-station.net.

Host names with five IP numbers:

ns2.gransy.com points to: 2001:19f0:6801:474:5400:1ff:fec5:8efb, 2001:19f0:7401:81e0:5400:1ff:fec5:8ef6, 95.179.192.121, 217.16.185.221 and 217.69.4.49.

ns3.gransy.com points to: 2a02:750:7::2e7, 2a02:750:8::32, 46.21.100.103, 77.78.126.35 and 109.74.7.71.

Host names with four IP numbers:

ns4.gransy.com points to: 2001:19f0:5401:69b:5400:1ff:fec5:8f3f, 2a00:1a28:2010:1::89, 66.42.94.136 and 80.67.7.209.

ns.gransy.com points to: 2001:19f0:5001:1caf:5400:1ff:fec5:8d50, 45.76.90.43, 77.78.104.149 and 95.179.136.180.

Host names with two IP numbers:

ns5.gransy.com points to: 2a02:750:5::538 and 31.192.227.223.

Mail Servers

pooltechnika.cz is handled by two mail servers: mx1.amccomp.cz and mx2.amccomp.cz.

pooltechnika.cz shares the same mail server setup as other domains, including gosvo.cz, fandora.cz, amcomp.cz, beatles-revival.cz and inzertos.cz.

pooltechnika.cz shares some mail servers with other domains, including fazule.sk, poisel.cz, naposlech.cz, mapnet.cz and asec.cz.

Host names with two IP numbers:

The host mx1.amccomp.cz points to 2a02:6c20:2:1::22 and 185.179.33.22.

The host mx2.amccomp.cz points to 2a02:6c20:5:1::15 and 185.179.34.15.

pooltechnika.cz - robtex.com

pooltechnika.cz

cz

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`pooltechnika.cz`

`cz`