`rfspin.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a01:28:ca:112::1:1050^{🇨🇿 SuperNetwork2a01:28::/32 s.r.o.}
		PTR	`ape05.vas-server.cz`
A	37.235.102.56^{🇨🇿 SuperNetwork37.235.96.0/20 s.r.o.}
NS	`ns.vas-hosting.cz` ⭐
		A	2a01:28:ca:112::1:4^{🇨🇿 SuperNetwork2a01:28::/32 s.r.o.}
			PTR	`ns.vas-hosting.cz`
		A	95.168.209.105^{🇨🇿 SuperNetwork95.168.192.0/19 s.r.o.}
NS	`ns.vas-hosting.com`
		A	2a01:4f8:c0c:1fbf::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.vas-hosting.com`
		A	78.47.104.13^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`ns.vas-hosting.com`
NS	`ns.vas-hosting.eu`
		A	2a01:430:100:57::25^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`ns.vas-hosting.eu`
		A	83.167.224.189^{🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5}
			PTR	`ns.vas-hosting.eu`
MX	`rfspin-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`MS=ms62376362`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns.vas-hosting.cz`info@vas-hosting.cz serial=2604010904

`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=1778469455

WOT: SAFE (61/100)

Subdomains

www.rfspin.cz

Same first word

rfspin.cz

rfspin.com

rfspin.ru

Similar names

prfins.com

sniprf.ru

pinrfs.com

frpins.com

frpins.net

DNS History

21 records (6 active, 15 former)

●NSns.vas-hosting.com2026-02-22 → 2026-05-11 · 3 obs

○ 2017-04-09 05:16:12
● 2026-02-22 16:44:06
● 2026-05-11 03:55:20

●NSns.vas-hosting.cz2026-02-22 → 2026-05-11 · 3 obs

○ 2017-04-09 05:16:12
● 2026-02-22 16:44:06
● 2026-05-11 03:55:20

●NSns.vas-hosting.eu2026-02-22 → 2026-05-11 · 3 obs

○ 2017-04-09 05:16:12
● 2026-02-22 16:44:06
● 2026-05-11 03:55:20

○NSns.wedos.com2016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○NSns.wedos.cz2016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○NSns.wedos.eu2016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○NSns.wedos.net2016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○NSns1.ignum.com2015-06-09 → 2015-10-27 · 4 obs

● 2015-06-09 07:19:34
● 2015-10-27 04:28:30
○ 2016-02-01 03:31:08
○ 2026-05-11 03:55:20

○NSns2.ignum.cz2015-06-09 → 2015-10-27 · 4 obs

● 2015-06-09 07:19:34
● 2015-10-27 04:28:30
○ 2016-02-01 03:31:08
○ 2026-05-11 03:55:20

○MXape05.vas-server.cz2026-02-22 → 2026-05-11 · 2 obs

○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○MXmx1b20.thinline.cz2015-06-09 → 2015-10-27 · 4 obs

● 2015-06-09 07:19:34
● 2015-10-27 04:28:30
○ 2016-02-01 03:31:08
○ 2026-05-11 03:55:20

○MXmx1d10.thinline.cz2015-06-09 → 2015-10-27 · 4 obs

● 2015-06-09 07:19:34
● 2015-10-27 04:28:30
○ 2016-02-01 03:31:08
○ 2026-05-11 03:55:20

●MXrfspin-cz.mail.protection.outlook.com2026-02-22 → 2026-05-11 · 3 obs

○ 2017-04-09 05:16:12
● 2026-02-22 16:44:06
● 2026-05-11 03:55:20

○MXwes1-mx1.wedos.net2016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○MXwes1-mx2.wedos.net2016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○A2a00:1ed0:2:1:1:5bef:c9d5:12015-06-09 → 2015-10-27 · 4 obs

● 2015-06-09 07:19:34
● 2015-10-27 04:28:30
○ 2016-02-01 03:31:08
○ 2026-05-11 03:55:20

●A2a01:28:ca:112::1:10502026-02-22 → 2026-05-11 · 3 obs

○ 2017-04-09 05:16:12
● 2026-02-22 16:44:06
● 2026-05-11 03:55:20

○A2a02:2b88:1:4::862016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

●A37.235.102.562026-02-22 → 2026-05-11 · 3 obs

○ 2017-04-09 05:16:12
● 2026-02-22 16:44:06
● 2026-05-11 03:55:20

○A46.28.105.1432016-02-01 → 2017-04-09 · 5 obs

○ 2015-10-27 04:28:30
● 2016-02-01 03:31:08
● 2017-04-09 05:16:12
○ 2026-02-22 16:44:06
○ 2026-05-11 03:55:20

○A91.239.201.2132015-06-09 → 2015-10-27 · 4 obs

● 2015-06-09 07:19:34
● 2015-10-27 04:28:30
○ 2016-02-01 03:31:08
○ 2026-05-11 03:55:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
rfspin.cz	ns.vas-hosting.cz, ns.vas-hosting.eu, ns.vas-hosting.com	1 record

✅ Authoritative Response

Server:78.47.104.13

NS records: ns.vas-hosting.cz, ns.vas-hosting.eu, ns.vas-hosting.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 997ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.235.102.56`
AAAA	1	`2a01:28:ca:112::1:1050`
NS	3	`ns.vas-hosting.cz, ns.vas-hosting.eu...`
MX	1	`rfspin-cz.mail.protection.outlook.com (p`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms62376362`
SOA	1	`ns.vas-hosting.cz info.vas-hosting.cz`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.vas-hosting.cz)

Analysis

Hierarchy

www.rfspin.cz has rfspin.cz as its parent.

IP Addresses

rfspin.cz points to two IPs: 2a01:28:ca:112::1:1050 and 37.235.102.56.

Other host names, for example ape05.vas-server.cz, rfspin.com and mopreco.com share the same IP as rfspin.cz.

Name Servers

rfspin.cz is delegated to name servers ns.vas-hosting.com, ns.vas-hosting.cz and ns.vas-hosting.eu.

rfspin.cz at least partially shares name servers with other domains such as grs.cz, kunes.net, fondkinematografie.cz, karel.cz and jena-nabytek.cz.

these name servers are commonly used alongside the name servers ns2.webovy-servis.cz, ns.webovy-servis.cz, ns1.nody.cz, ns2.nody.cz and ns3.nody.cz.

Host names with two IP numbers:

ns.vas-hosting.com points to 2a01:4f8:c0c:1fbf::1 and 78.47.104.13.

ns.vas-hosting.cz points to 2a01:28:ca:112::1:4 and 95.168.209.105.

ns.vas-hosting.eu points to 2a01:430:100:57::25 and 83.167.224.189.

Mail Servers

rfspin.cz is handled by a single mail server, rfspin-cz.mail.protection.outlook.com.

rfspin-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::d, 52.101.68.0, 52.101.68.25, 52.101.68.32 and 52.101.73.26.

rfspin.cz - robtex.com

rfspin.cz

cz

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`rfspin.cz`

`cz`