gcl.cz - robtex.com

gcl.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
A95.179.136.180πŸ‡³πŸ‡± AS-VULTR95.179.128.0/20
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
PTR95.179.192.121.vultrusercontent.com
A217.16.185.221πŸ‡¨πŸ‡Ώ AS43541217.16.176.0/20
PTRns2.gransy.com
A217.69.4.49πŸ‡«πŸ‡· AS-VULTR217.69.0.0/20
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
PTR46-21-100-103-static.glesys.net
A77.78.126.35πŸ‡¨πŸ‡Ώ CASABLANCA-AS77.78.124.0/22
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
PTR66.42.94.136.vultrusercontent.com
A80.67.7.209πŸ‡³πŸ‡΄ GLESYS80.67.0.0/20
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=1784508442

Same first word

Similar names

DNS History

18 records (5 active, 13 former)

200920112013201520172019202120232025NSns.gransy.comns2.gransy.comns3.gransy.comns4.gransy.comns5.gransy.comns.guide.czns1.ignum.comns1.onlinehosting.czns2.ignum.czns2.onlinehosting.czns2.wig.czns3.onlinehosting.czMXczech.guide.czmail.infonia.comsmtp.octmail.comA195.122.208.173213.29.16.6281.0.206.58
●NSns.gransy.com2026-06-13 β†’ 2026-07-20 Β· 3 obs
β—‹ 2021-11-11 14:35:08
● 2026-06-13 09:43:22
● 2026-07-20 01:37:56
β—‹NSns.guide.cz2008-12-13 β†’ 2008-12-13 Β· 3 obs
● 2008-12-13 09:52:10
β—‹ 2015-07-09 04:59:56
β—‹ 2026-07-20 01:37:56
β—‹NSns1.ignum.com2015-07-09 β†’ 2018-10-10 Β· 5 obs
β—‹ 2008-12-13 09:52:10
● 2015-07-09 04:59:56
● 2018-10-10 08:40:00
β—‹ 2021-01-05 18:51:42
β—‹ 2026-07-20 01:37:56
β—‹NSns1.onlinehosting.cz2021-01-05 β†’ 2021-11-11 Β· 5 obs
β—‹ 2018-10-10 08:40:00
● 2021-01-05 18:51:42
● 2021-11-11 14:35:08
β—‹ 2026-06-13 09:43:22
β—‹ 2026-07-20 01:37:56
●NSns2.gransy.com2026-06-13 β†’ 2026-07-20 Β· 3 obs
β—‹ 2021-11-11 14:35:08
● 2026-06-13 09:43:22
● 2026-07-20 01:37:56
β—‹NSns2.ignum.cz2015-07-09 β†’ 2018-10-10 Β· 5 obs
β—‹ 2008-12-13 09:52:10
● 2015-07-09 04:59:56
● 2018-10-10 08:40:00
β—‹ 2021-01-05 18:51:42
β—‹ 2026-07-20 01:37:56
β—‹NSns2.onlinehosting.cz2021-01-05 β†’ 2021-11-11 Β· 5 obs
β—‹ 2018-10-10 08:40:00
● 2021-01-05 18:51:42
● 2021-11-11 14:35:08
β—‹ 2026-06-13 09:43:22
β—‹ 2026-07-20 01:37:56
β—‹NSns2.wig.cz2008-12-13 β†’ 2008-12-13 Β· 3 obs
● 2008-12-13 09:52:10
β—‹ 2015-07-09 04:59:56
β—‹ 2026-07-20 01:37:56
●NSns3.gransy.com2026-06-13 β†’ 2026-07-20 Β· 3 obs
β—‹ 2021-11-11 14:35:08
● 2026-06-13 09:43:22
● 2026-07-20 01:37:56
β—‹NSns3.onlinehosting.cz2021-01-05 β†’ 2021-11-11 Β· 5 obs
β—‹ 2018-10-10 08:40:00
● 2021-01-05 18:51:42
● 2021-11-11 14:35:08
β—‹ 2026-06-13 09:43:22
β—‹ 2026-07-20 01:37:56
●NSns4.gransy.com2026-06-13 β†’ 2026-07-20 Β· 3 obs
β—‹ 2021-11-11 14:35:08
● 2026-06-13 09:43:22
● 2026-07-20 01:37:56
●NSns5.gransy.com2026-06-13 β†’ 2026-07-20 Β· 3 obs
β—‹ 2021-11-11 14:35:08
● 2026-06-13 09:43:22
● 2026-07-20 01:37:56
β—‹MXczech.guide.cz2008-12-13 β†’ 2008-12-13 Β· 3 obs
● 2008-12-13 09:52:10
β—‹ 2015-07-09 04:59:56
β—‹ 2026-07-20 01:37:56
β—‹MXmail.infonia.com2015-07-09 β†’ 2018-10-10 Β· 5 obs
β—‹ 2008-12-13 09:52:10
● 2015-07-09 04:59:56
● 2018-10-10 08:40:00
β—‹ 2021-01-05 18:51:42
β—‹ 2026-07-20 01:37:56
β—‹MXsmtp.octmail.com2021-01-05 β†’ 2021-11-11 Β· 5 obs
β—‹ 2018-10-10 08:40:00
● 2021-01-05 18:51:42
● 2021-11-11 14:35:08
β—‹ 2026-06-13 09:43:22
β—‹ 2026-07-20 01:37:56
β—‹A195.122.208.1732015-07-09 β†’ 2018-10-10 Β· 5 obs
β—‹ 2008-12-13 09:52:10
● 2015-07-09 04:59:56
● 2018-10-10 08:40:00
β—‹ 2021-01-05 18:51:42
β—‹ 2026-07-20 01:37:56
β—‹A213.29.16.622008-12-13 β†’ 2008-12-13 Β· 3 obs
● 2008-12-13 09:52:10
β—‹ 2015-07-09 04:59:56
β—‹ 2026-07-20 01:37:56
β—‹A81.0.206.582021-01-05 β†’ 2021-11-11 Β· 5 obs
β—‹ 2018-10-10 08:40:00
● 2021-01-05 18:51:42
● 2021-11-11 14:35:08
β—‹ 2026-06-13 09:43:22
β—‹ 2026-07-20 01:37:56

πŸ” DNS Trace

Analysis

Name Servers

The authoritative name servers for gcl.cz are ns2.gransy.com, ns3.gransy.com, ns4.gransy.com and two others.

gcl.cz has at least partial name server overlap with other domains, such as stary-brazdim.net, dvorak-sw.com, barunkulus.cz and two others.

These name servers are routinely co-deployed with the name servers ns5.gransy.com, ns.gransy.com, ns2.internetserver.cz and two others.

Hostnames that point to five IP numbers:

ns2.gransy.com directs to 95.179.192.121, 217.16.185.221, 217.69.4.49 and two other IP addresses.

ns3.gransy.com directs to 46.21.100.103, 77.78.126.35, 109.74.7.71 and two other IP addresses.

Hosts pointing to four IP addresses:

ns4.gransy.com has 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 has four IP addresses: 45.76.90.43, 77.78.104.149, 95.179.136.180 and 2001:19f0:5001:1caf:5400:1ff:fec5:8d50.

Hosts with two IP numbers each:

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