utd.cz - robtex.com

utd.cz

DNSSEC⚠️ Not signed
NSns.gransy.com ⚠️ Not in zone NS records
A2001:19f0:5001:1caf:5400:1ff:fec5:8d50πŸ‡³πŸ‡± AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix
A45.76.90.43πŸ‡©πŸ‡ͺ AS-VULTR45.76.80.0/20 Vultr Assigned Prefix
PTR45.76.90.43.vultrusercontent.com
A77.78.104.149πŸ‡¨πŸ‡Ώ CASABLANCA-AS77.78.96.0/20 Casablanca INT
PTRns.gransy.com
A95.179.136.180πŸ‡³πŸ‡± AS-VULTR95.179.128.0/20 Vultr Assigned Prefix
PTR95.179.136.180.vultrusercontent.com
NSns2.gransy.com ⚠️ Not in zone NS records
A2001:19f0:6801:474:5400:1ff:fec5:8efbπŸ‡«πŸ‡· AS-VULTR2001:19f0:6800::/38 Vultr Assigned Prefix
A2001:19f0:7401:81e0:5400:1ff:fec5:8ef6πŸ‡¬πŸ‡§ AS-VULTR2001:19f0:7400::/38 Vultr Assigned Prefix
A95.179.192.121πŸ‡¬πŸ‡§ AS-VULTR95.179.192.0/20 Vultr Assigned Prefix
PTR95.179.192.121.vultrusercontent.com
A217.16.185.221πŸ‡¨πŸ‡Ώ VSHOSTING217.16.176.0/20 III.
PTRns2.gransy.com
A217.69.4.49πŸ‡«πŸ‡· AS-VULTR217.69.0.0/20 Vultr Assigned Prefix
PTR217.69.4.49.vultrusercontent.com
NSns3.gransy.com ⚠️ Not in zone NS records
A2a02:750:7::2e7πŸ‡ΈπŸ‡ͺ GLESYS2a02:750::/29
PTR2a02-750-7--2e7-static.glesys.net
A2a02:750:8::32πŸ‡³πŸ‡± GLESYS2a02:750:8::/48 GleSYS AB
PTR2a02-750-8--32-static.glesys.net
A46.21.100.103πŸ‡³πŸ‡± GLESYS46.21.100.0/24 GleSYS AB
PTR46-21-100-103-static.glesys.net
A77.78.126.35πŸ‡¨πŸ‡Ώ CASABLANCA-AS77.78.124.0/22 Casablanca INT
A109.74.7.71πŸ‡ΈπŸ‡ͺ GLESYS109.74.0.0/20
PTR109-74-7-71-static.glesys.net
NSns4.gransy.com ⚠️ Not in zone NS records
A2001:19f0:5401:69b:5400:1ff:fec5:8f3fπŸ‡ΊπŸ‡Έ AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix
A2a00:1a28:2010:1::89πŸ‡³πŸ‡΄ GLESYS2a00:1a28::/32 Portlane Network
PTR2a00-1a28-2010-1--89-static.glesys.net
A66.42.94.136πŸ‡ΊπŸ‡Έ AS-VULTR66.42.80.0/20 Vultr Assigned Prefix
PTR66.42.94.136.vultrusercontent.com
A80.67.7.209πŸ‡³πŸ‡΄ GLESYS80.67.0.0/20 Portlane Network
PTR80-67-7-209-static.glesys.net
NSns5.gransy.com ⚠️ Not in zone NS records
A2a02:750:5::538πŸ‡ΈπŸ‡ͺ GLESYS2a02:750::/29
PTR2a02-750-5--538-static.glesys.net
A31.192.227.223πŸ‡ΈπŸ‡ͺ GLESYS31.192.224.0/21
PTR31-192-227-223-static.glesys.net

cz

DNSSECπŸ”’ Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1781547437

Subdomains

Same first word

Similar names

DNS History

14 records (5 active, 9 former)

200920112013201520172019202120232025NSns.gransy.comns2.gransy.comns3.gransy.comns4.gransy.comns5.gransy.comns.kraxnet.comns.kraxnet.czMXmail.utd.czmx.utd.czA178.217.244.355.104.16.18477.78.104.382.113.55.10682.113.55.91
●NSns.gransy.com2017-12-24 β†’ 2026-06-15 Β· 3 obs
β—‹ 2017-01-13 04:39:48
● 2017-12-24 04:49:46
● 2026-06-15 19:17:14
β—‹NSns.kraxnet.com2015-06-28 β†’ 2017-01-13 Β· 5 obs
β—‹ 2008-03-25 06:32:30
● 2015-06-28 12:08:42
● 2017-01-13 04:39:48
β—‹ 2017-12-24 04:49:46
β—‹ 2026-06-15 19:17:14
β—‹NSns.kraxnet.cz2015-06-28 β†’ 2017-01-13 Β· 5 obs
β—‹ 2008-03-25 06:32:30
● 2015-06-28 12:08:42
● 2017-01-13 04:39:48
β—‹ 2017-12-24 04:49:46
β—‹ 2026-06-15 19:17:14
●NSns2.gransy.com2017-12-24 β†’ 2026-06-15 Β· 3 obs
β—‹ 2017-01-13 04:39:48
● 2017-12-24 04:49:46
● 2026-06-15 19:17:14
●NSns3.gransy.com2017-12-24 β†’ 2026-06-15 Β· 3 obs
β—‹ 2017-01-13 04:39:48
● 2017-12-24 04:49:46
● 2026-06-15 19:17:14
●NSns4.gransy.com2017-12-24 β†’ 2026-06-15 Β· 3 obs
β—‹ 2017-01-13 04:39:48
● 2017-12-24 04:49:46
● 2026-06-15 19:17:14
●NSns5.gransy.com2017-12-24 β†’ 2026-06-15 Β· 3 obs
β—‹ 2017-01-13 04:39:48
● 2017-12-24 04:49:46
● 2026-06-15 19:17:14
β—‹MXmail.utd.cz2017-12-24 β†’ 2026-06-13 Β· 4 obs
β—‹ 2017-01-13 04:39:48
● 2017-12-24 04:49:46
● 2026-06-13 05:46:56
β—‹ 2026-06-15 19:17:14
β—‹MXmx.utd.cz2015-06-28 β†’ 2017-01-13 Β· 5 obs
β—‹ 2008-03-25 06:32:30
● 2015-06-28 12:08:42
● 2017-01-13 04:39:48
β—‹ 2017-12-24 04:49:46
β—‹ 2026-06-15 19:17:14
β—‹A178.217.244.352016-04-27 β†’ 2017-01-13 Β· 5 obs
β—‹ 2016-02-03 20:53:52
● 2016-04-27 11:10:56
● 2017-01-13 04:39:48
β—‹ 2017-12-24 04:49:46
β—‹ 2026-06-15 19:17:14
β—‹A5.104.16.1842026-06-13 β†’ 2026-06-13 Β· 3 obs
β—‹ 2021-01-19 11:47:34
● 2026-06-13 05:46:56
β—‹ 2026-06-15 19:17:14
β—‹A77.78.104.32017-12-24 β†’ 2021-01-19 Β· 5 obs
β—‹ 2017-01-13 04:39:48
● 2017-12-24 04:49:46
● 2021-01-19 11:47:34
β—‹ 2026-06-13 05:46:56
β—‹ 2026-06-15 19:17:14
β—‹A82.113.55.1062015-06-28 β†’ 2016-02-03 Β· 5 obs
β—‹ 2008-03-25 06:32:30
● 2015-06-28 12:08:42
● 2016-02-03 20:53:52
β—‹ 2016-04-27 11:10:56
β—‹ 2026-06-15 19:17:14
β—‹A82.113.55.912015-06-28 β†’ 2016-02-03 Β· 5 obs
β—‹ 2008-03-25 06:32:30
● 2015-06-28 12:08:42
● 2016-02-03 20:53:52
β—‹ 2016-04-27 11:10:56
β—‹ 2026-06-15 19:17:14

πŸ” DNS Trace

Analysis

Hierarchy

utd.cz serves as the parent of mx.utd.cz and mail.utd.cz.

Name Servers

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

utd.cz partially shares its NS delegation with several other domains, including stomatologie-odstrcil.cz, asimplia.info, nimstra.com and two others.

These name servers are regularly seen alongside ns5.gransy.com and ns.gransy.com as name servers.

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 directs traffic to 31.192.227.223 and 2a02:750:5::538.