`fish-ing.cz`

DNSSEC	🔒 Signed (DS record present)
A	91.216.179.31^{🇨🇿 MASTER-AS91.216.179.0/24 OXY-1-MAI-CZ}
		PTR	`31-179.216.91.oxyonline.cz`
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mailin1.fish-ing.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:104^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.cz`
		A	45.13.137.110^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.sk`
MX	`mailin2.fish-ing.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:8^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u6-mx.websupport.sk`
		A	45.13.137.112^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u5-mx.websupport.hu`
TXT	`v=spf1 ip4:91.216.179.22 ip4:91.216.179.28 ip4:91.216.179.44 ip4:91.216.179....`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1762248698

`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=1778770036

Subdomains

mailin1.fish-ing.cz

mailin2.fish-ing.cz

Same first word

fish-ing.cz

DNS History

10 records (6 active, 4 former)

○NSns1.cyberhost.cz2015-03-28 → 2017-05-08 · 4 obs

● 2015-03-28 14:14:08
● 2017-05-08 08:42:52
○ 2026-04-27 12:54:24
○ 2026-05-14 15:14:56

●NSns1.websupport.cz2026-04-27 → 2026-05-14 · 3 obs

○ 2017-05-08 08:42:52
● 2026-04-27 12:54:24
● 2026-05-14 15:14:56

○NSns2.cyberhost.cz2015-03-28 → 2017-05-08 · 4 obs

● 2015-03-28 14:14:08
● 2017-05-08 08:42:52
○ 2026-04-27 12:54:24
○ 2026-05-14 15:14:56

●NSns2.websupport.cz2026-04-27 → 2026-05-14 · 3 obs

○ 2017-05-08 08:42:52
● 2026-04-27 12:54:24
● 2026-05-14 15:14:56

●NSns3.websupport.eu2026-04-27 → 2026-05-14 · 3 obs

○ 2017-05-08 08:42:52
● 2026-04-27 12:54:24
● 2026-05-14 15:14:56

○MXmail.fish-ing.cz2015-03-28 → 2017-05-08 · 4 obs

● 2015-03-28 14:14:08
● 2017-05-08 08:42:52
○ 2026-04-27 12:54:24
○ 2026-05-14 15:14:56

●MXmailin1.fish-ing.cz2026-04-27 → 2026-05-14 · 3 obs

○ 2017-05-08 08:42:52
● 2026-04-27 12:54:24
● 2026-05-14 15:14:56

●MXmailin2.fish-ing.cz2026-04-27 → 2026-05-14 · 3 obs

○ 2017-05-08 08:42:52
● 2026-04-27 12:54:24
● 2026-05-14 15:14:56

○A81.91.85.1352015-03-28 → 2015-09-24 · 4 obs

● 2015-03-28 14:14:08
● 2015-09-24 07:53:42
○ 2015-12-15 11:28:24
○ 2026-05-14 15:14:56

●A91.216.179.312015-12-15 → 2026-05-14 · 3 obs

○ 2015-09-24 07:53:42
● 2015-12-15 11:28:24
● 2026-05-14 15:14:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
fish-ing.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1076ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.216.179.31`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.fish-ing.cz (pri: 10), mailin2.fish-ing.cz (pri: 100)`
TXT	1	`v=spf1 ip4:91.216.179.22 ip4:91.216.179`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

fish-ing.cz is a parent of mailin1.fish-ing.cz and mailin2.fish-ing.cz.

IP Addresses

fish-ing.cz points to a single IP number: 91.216.179.31.

Other host names, for instance veganfoods.cz, raj-spanku.cz, sici-stroje.eu, www.dvort-medical.cz and chvatal-artex.eu share IP numbers with fish-ing.cz.

Name Servers

The domain fish-ing.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

fish-ing.cz shares name servers with other domains at least partially, for instance flema.sk, jersey.at, ducotra.nl, tomcat.cz and dentalarchitecture.com.