`catworks.cz`

DNSSEC	⚠️ Not signed
A	216.198.79.1^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
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	`31e46030dfadc9cb.mx2.emailprofi.seznam.cz` ⭐
		A	2a02:598:2::1146^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
		A	77.75.77.146^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
MX	`31e46030dfadc9cb.mx1.emailprofi.seznam.cz`⁽²⁰⁾
		A	2a02:598:2::1056^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
		A	77.75.77.56^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
TXT	`v=spf1 a mx include:gransy.com`
SOA	`ns.gransy.com`root@gransy.com serial=2783277602

`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=1784004441

Same first word

catworks.jp

catworks.ca

catworks.de

catworks.net

catworks.com

catworks.cz

catworks.nl

catworks.com.au

Similar names

DNS History

12 records (8 active, 4 former)

○NSns.forpsi.cz2015-07-19 → 2017-04-03 · 4 obs

● 2015-07-19 08:07:26
● 2017-04-03 19:30:48
○ 2026-06-13 01:47:32
○ 2026-07-14 05:24:10

○NSns.forpsi.it2015-07-19 → 2017-04-03 · 4 obs

● 2015-07-19 08:07:26
● 2017-04-03 19:30:48
○ 2026-06-13 01:47:32
○ 2026-07-14 05:24:10

○NSns.forpsi.net2015-07-19 → 2017-04-03 · 4 obs

● 2015-07-19 08:07:26
● 2017-04-03 19:30:48
○ 2026-06-13 01:47:32
○ 2026-07-14 05:24:10

●NSns.gransy.com2026-06-13 → 2026-07-14 · 3 obs

○ 2017-04-03 19:30:48
● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

●NSns2.gransy.com2026-06-13 → 2026-07-14 · 3 obs

○ 2017-04-03 19:30:48
● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

●NSns3.gransy.com2026-06-13 → 2026-07-14 · 3 obs

○ 2017-04-03 19:30:48
● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

●NSns4.gransy.com2026-06-13 → 2026-07-14 · 3 obs

○ 2017-04-03 19:30:48
● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

●NSns5.gransy.com2026-06-13 → 2026-07-14 · 3 obs

○ 2017-04-03 19:30:48
● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

●MX31e46030dfadc9cb.mx1.emailprofi.seznam.cz2026-06-13 → 2026-07-14 · 2 obs

● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

●MX31e46030dfadc9cb.mx2.emailprofi.seznam.cz2026-06-13 → 2026-07-14 · 2 obs

● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

●A216.198.79.12026-06-13 → 2026-07-14 · 3 obs

○ 2017-04-03 19:30:48
● 2026-06-13 01:47:32
● 2026-07-14 05:24:10

○A31.15.10.242015-07-19 → 2017-04-03 · 4 obs

● 2015-07-19 08:07:26
● 2017-04-03 19:30:48
○ 2026-06-13 01:47:32
○ 2026-07-14 05:24:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
catworks.cz	ns5.gransy.com, ns2.gransy.com, ns4.gransy.com, ns3.gransy.com...	-

✅ Authoritative Response

Server:31.192.227.223

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for catworks.cz (unsigned zone)

⏱️ Timing

Total: 2051ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.198.79.1`
NS	5	`ns3.gransy.com, ns5.gransy.com...`
MX	2	`31e46030dfadc9cb.mx2.emailprofi.seznam.c, 31e46030dfadc9cb.mx1.emailprofi.seznam.c`
TXT	1	`v=spf1 a mx include:gransy.com`
SOA	1	`ns.gransy.com root.gransy.com`

Analysis

IP Addresses

catworks.cz resolves to one IP address: 216.198.79.1.

mauroalvarez.com, premierflooringservices.com, azayim.com and two other host names share IP numbers with catworks.cz.

Name Servers

catworks.cz has five name servers, which are ns2.gransy.com, ns3.gransy.com, ns4.gransy.com and two others.

There is at least partial name server overlap between catworks.cz and other domains — elektrourbanek.cz, awei.cz, rjtechnics.cz and two more among them.

It is common to find these name servers alongside the name servers ns5.gransy.com, ns.gransy.com, ns2.internetserver.cz and two others.

Hostnames pointing to five IP numbers:

ns2.gransy.com resolves to four IP addresses: 95.179.192.121, 217.16.185.221, 217.69.4.49 and two others.

ns3.gransy.com resolves to four IP addresses: 46.21.100.103, 77.78.126.35, 109.74.7.71 and two others.

Hosts that point to four IP numbers:

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

ns.gransy.com resolves to four IP addresses — 45.76.90.43, 77.78.104.149, 95.179.136.180 and 2001:19f0:5001:1caf:5400:1ff:fec5:8d50.

Hostnames that resolve to two IP addresses:

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

Mail Servers

Mail for catworks.cz is handled by two mail servers — 31e46030dfadc9cb.mx1.emailprofi.seznam.cz and 31e46030dfadc9cb.mx2.emailprofi.seznam.cz.

Both 31e46030dfadc9cb.mx1.emailprofi.seznam.cz and 31e46030dfadc9cb.mx2.emailprofi.seznam.cz have two IP addresses each. 31e46030dfadc9cb.mx1.emailprofi.seznam.cz resolves to 77.75.77.56 and 2a02:598:2::1056; 31e46030dfadc9cb.mx2.emailprofi.seznam.cz resolves to 77.75.77.146 and 2a02:598:2::1146.

catworks.cz - robtex.com

catworks.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`catworks.cz`

`cz`