`studyintheczechrepublic.eu`

DNSSEC	⚠️ Not signed
NS	`ns.gransy.com` ⚠️ Not in zone NS records
		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	`ns2.gransy.com` ⚠️ Not in zone NS records
		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	`ns3.gransy.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1126759189

Same first word

studyintheczechrepublic.eu

DNS History

8 records (5 active, 3 former)

●NSns.gransy.com2026-07-16 → 2026-08-04 · 3 obs

○ 2026-06-11 10:49:46
● 2026-07-16 23:10:38
● 2026-08-04 19:21:36

○NSns1.lmc.eu2015-07-08 → 2026-06-11 · 4 obs

● 2015-07-08 14:32:14
● 2026-06-11 10:49:46
○ 2026-07-16 23:10:38
○ 2026-08-04 19:21:36

●NSns2.gransy.com2026-07-16 → 2026-08-04 · 3 obs

○ 2026-06-11 10:49:46
● 2026-07-16 23:10:38
● 2026-08-04 19:21:36

○NSns2.lmc.eu2015-07-08 → 2026-06-11 · 4 obs

● 2015-07-08 14:32:14
● 2026-06-11 10:49:46
○ 2026-07-16 23:10:38
○ 2026-08-04 19:21:36

●NSns3.gransy.com2026-07-16 → 2026-08-04 · 3 obs

○ 2026-06-11 10:49:46
● 2026-07-16 23:10:38
● 2026-08-04 19:21:36

●NSns4.gransy.com2026-07-16 → 2026-08-04 · 3 obs

○ 2026-06-11 10:49:46
● 2026-07-16 23:10:38
● 2026-08-04 19:21:36

●NSns5.gransy.com2026-07-16 → 2026-08-04 · 3 obs

○ 2026-06-11 10:49:46
● 2026-07-16 23:10:38
● 2026-08-04 19:21:36

○A81.95.96.292015-07-08 → 2017-01-17 · 4 obs

● 2015-07-08 14:32:14
● 2017-01-17 12:33:58
○ 2026-06-11 10:49:46
○ 2026-08-04 19:21:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	be.dns.eu, x.dns.eu, y.dns.eu, w.dns.eu...	-
studyintheczechrepublic.eu	ns5.gransy.com, ns.gransy.com, ns4.gransy.com, ns2.gransy.com...	-

✅ Authoritative Response

Server:46.21.100.103

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for studyintheczechrepublic.eu

⏱️ Timing

Total: 979ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

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

The name servers of studyintheczechrepublic.eu overlap at least partially with those of other domains — among them jakarta.cz, parkschool.cz, ceske-loznice.cz and two more.

These name servers are routinely co-deployed with the name servers ns.gransy.com, ns5.gransy.com, ns.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 resolves to 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 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 resolves to 31.192.227.223 and 2a02:750:5::538.