`rike.cz`

DNSSEC	🔒 Signed (DS record present)
A	77.78.104.3^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
		PTR	`yurika.gransy.com`
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}
		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}
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}
		A	77.78.126.35^{🇨🇿 CASABLANCA-AS77.78.124.0/22 Casablanca INT}
		A	109.74.7.71^{🇸🇪 GLESYS109.74.0.0/20}
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}
		A	80.67.7.209^{🇳🇴 GLESYS80.67.0.0/20 Glesys Network}
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}
MX	`mail2.gransy.com` ⭐
		A	2001:1528:137::f1^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
			PTR	`mail.gransy.com`
		A	82.208.29.194^{🇨🇿 CASABLANCA-AS82.208.28.0/23 Casablanca INT}
			PTR	`mail.gransy.cz`
MX	`mail.gransy.com`⁽²⁰⁾
		A	2001:1528:137::f1^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
			PTR	`mail.gransy.com`
		A	82.208.29.194^{🇨🇿 CASABLANCA-AS82.208.28.0/23 Casablanca INT}
			PTR	`mail.gransy.cz`
		A	185.28.193.5^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
			PTR	`mail.gransy.cz`
		A	185.28.193.11^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
		A	185.28.193.23^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
			PTR	`mail.gransy.cz`
		A	185.28.193.36^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
		A	185.28.193.37^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
			PTR	`mail.gransy.cz`
TXT	`v=spf1 a mx include:gransy.com`
SOA	`ns.gransy.com`root@gransy.com serial=2783504297

`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=1785858441

Same first word

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DNS History

8 records (8 active, 0 former)

●NSns.gransy.com2015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

●NSns2.gransy.com2015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

●NSns3.gransy.com2015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

●NSns4.gransy.com2015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

●NSns5.gransy.com2015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

●MXmail.gransy.com2015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

●MXmail2.gransy.com2015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

●A77.78.104.32015-07-23 → 2026-08-04 · 2 obs

● 2015-07-23 22:41:44
● 2026-08-04 16:04:18

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:31.192.227.223

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: 1410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.78.104.3`
NS	5	`ns2.gransy.com, ns3.gransy.com...`
MX	2	`mail2.gransy.com (pri: 20), mail.gransy.com (pri: 10)`
TXT	1	`v=spf1 a mx include:gransy.com`
SOA	1	`ns.gransy.com root.gransy.com`

Analysis

IP Addresses

rike.cz points to a single IP number: 77.78.104.3.

Additional host names — coupletor.com, regtones.com, music4friends.com and two others — share IP numbers with rike.cz.

Name Servers

Delegation for rike.cz is to five name servers: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com and two others.

At least some of rike.cz's name servers are shared with other domains, for example studyintheczechrepublic.eu, gaymegastore.es, fmtgroup.cz and two more.

These name servers are frequently paired with the name servers ns.gransy.com, ns5.gransy.com, ns2.internetserver.cz and two others.

Host names that resolve to five IP addresses:

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

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

Host names resolving to four IP addresses:

ns4.gransy.com directs 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 directs to 45.76.90.43, 77.78.104.149, 95.179.136.180 and 2001:19f0:5001:1caf:5400:1ff:fec5:8d50.

Host names with two IP numbers:

ns5.gransy.com has two IP addresses: 31.192.227.223 and 2a02:750:5::538.

Mail Servers

rike.cz has two mail servers: mail2.gransy.com and mail.gransy.com.

rike.cz shares the same mail server setup as other domains, including svetradosti.org, cudk.cz, hrkavarna.cz and two others.

rike.cz shares mail servers — at least in part — with other domains, including audigo.sk, pavlas.cz, emaily.eu and two others.

Host names with 7 IP numbers:

mail.gransy.com has IP addresses 82.208.29.194, 185.28.193.5 and 185.28.193.11, plus 4 other.

Host names with two IP numbers:

mail2.gransy.com has two IP addresses: 82.208.29.194 and 2001:1528:137::f1.

Host names pointing to 2001:1528:137::f1 IP addresses: mail.gransy.com and mail2.gransy.com.

Host names pointing to 82.208.29.194 IP addresses: mail.gransy.com and mail2.gransy.com.

rike.cz - robtex.com

rike.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

`rike.cz`

`cz`