`ferdack.cz`

DNSSEC	🔒 Signed (DS record present)
A	89.221.213.106^{🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.}
		PTR	`wmsc1-hp4-89-221-213-106.wedos.net`
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 Glesys 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	`wes1-mx1.wedos.net` ⭐
		A	46.28.106.11^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx1.wedos.net`
MX	`wes1-mx2.wedos.net` ⭐
		A	46.28.106.12^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx2.wedos.net`
SOA	`ns.gransy.com`root@gransy.com serial=2783281768

`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=1786362440

Same first word

ferdack.cz

Similar names

fracked.com

fracked.net

fedrack.com

DNS History

14 records (8 active, 6 former)

●NSns.gransy.com2026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

○NSns.pipni.cz2015-08-14 → 2018-07-08 · 4 obs

● 2015-08-14 10:12:14
● 2018-07-08 04:38:18
○ 2026-05-03 17:24:40
○ 2026-08-10 12:15:10

●NSns2.gransy.com2026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

○NSns2.pipni.cz2015-08-14 → 2018-07-08 · 4 obs

● 2015-08-14 10:12:14
● 2018-07-08 04:38:18
○ 2026-05-03 17:24:40
○ 2026-08-10 12:15:10

●NSns3.gransy.com2026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

●NSns4.gransy.com2026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

●NSns5.gransy.com2026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

○MXmail.ferdack.cz2015-08-14 → 2018-07-08 · 4 obs

● 2015-08-14 10:12:14
● 2018-07-08 04:38:18
○ 2026-05-03 17:24:40
○ 2026-08-10 12:15:10

○MXns3.pipni.cz2015-08-14 → 2018-07-08 · 4 obs

● 2015-08-14 10:12:14
● 2018-07-08 04:38:18
○ 2026-05-03 17:24:40
○ 2026-08-10 12:15:10

●MXwes1-mx1.wedos.net2026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

●MXwes1-mx2.wedos.net2026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

●A89.221.213.1062026-05-03 → 2026-08-10 · 3 obs

○ 2018-07-08 04:38:18
● 2026-05-03 17:24:40
● 2026-08-10 12:15:10

○A93.185.104.292015-08-14 → 2017-02-02 · 4 obs

● 2015-08-14 10:12:14
● 2017-02-02 04:51:20
○ 2018-07-08 04:38:18
○ 2026-08-10 12:15:10

○A93.185.104.642018-07-08 → 2018-07-08 · 4 obs

○ 2017-02-02 04:51:20
● 2018-07-08 04:38:18
○ 2026-05-03 17:24:40
○ 2026-08-10 12:15:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
ferdack.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

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.221.213.106`
NS	5	`ns5.gransy.com, ns.gransy.com...`
MX	2	`wes1-mx2.wedos.net (pri: 0), wes1-mx1.wedos.net (pri: 0)`
SOA	1	`ns.gransy.com root.gransy.com`

Analysis

IP Addresses

ferdack.cz has exactly one IP address — 89.221.213.106.

infodata.cz, www.muj-doktor.com, instalacebasa.cz plus two other host names have IP numbers in common with ferdack.cz.

Name Servers

Five name servers handle delegation for ferdack.cz: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com and two others.

ferdack.cz partially shares its NS delegation with several other domains, including gransy.info, polarisdive.com, redwing.com.mx and two others.

These name servers tend to appear together with the name servers ns5.gransy.com, ns.gransy.com and ns2.internetserver.cz, plus two others.

Hosts with five IP addresses:

ns2.gransy.com has IP addresses 95.179.192.121, 217.16.185.221 and 217.69.4.49 along with two other addresses.

ns3.gransy.com has IP addresses 46.21.100.103, 77.78.126.35 and 109.74.7.71 along with two other addresses.

Host names with four IP addresses:

ns4.gransy.com maps to the following 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 maps to the following IP addresses: 45.76.90.43, 77.78.104.149, 95.179.136.180 and 2001:19f0:5001:1caf:5400:1ff:fec5:8d50.

Host names pointing to two IP addresses:

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

Mail Servers

ferdack.cz uses two mail servers, wes1-mx1.wedos.net and wes1-mx2.wedos.net.

The mail server setup of ferdack.cz matches that of other domains such as ibenes.cz, zdravpotreby-samaritan.cz, cajomilka.cz and two others.

At least some of the mail servers used by ferdack.cz are shared with other domains: photopick.cz, bydlitedoma.cz, mgplast.sk and two others among them.

These mail servers tend to be used in conjunction with the mail servers wes1-mx-backup.wedos.net.

wes1-mx1.wedos.net resolves to 46.28.106.11. wes1-mx2.wedos.net resolves to 46.28.106.12. Both host names point to a single IP number.

ferdack.cz - robtex.com

ferdack.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

`ferdack.cz`

`cz`