`fischer-software.cz`

DNSSEC	🔒 Signed (DS record present)
A	81.95.98.135^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
		PTR	`indigo.globenet.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.fischer-software.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u5-mx.websupport.sk`
		A	45.13.137.105^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.cz`
MX	`mailin2.fischer-software.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:103^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx10.websupport.cz`
		A	45.13.137.7^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx10.websupport.at`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1749421121

`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=1778698049

Subdomains

mailin2.fischer-software.cz

mailin1.fischer-software.cz

Same first word

fischer-software.info

fischer-software.net

fischer-software.org

fischer-software.biz

fischer-software.com

fischer-software.cz

fischer-software.de

Similar names

software-fischer.de

software-fischer.com

DNS History

10 records (6 active, 4 former)

○NSalfa.ns.active24.cz2015-08-12 → 2017-05-13 · 4 obs

● 2015-08-12 17:32:42
● 2017-05-13 10:34:50
○ 2026-02-22 17:02:14
○ 2026-05-13 19:04:26

○NSbeta.ns.active24.cz2015-08-12 → 2017-05-13 · 4 obs

● 2015-08-12 17:32:42
● 2017-05-13 10:34:50
○ 2026-02-22 17:02:14
○ 2026-05-13 19:04:26

○NSgama.ns.active24.sk2015-08-12 → 2017-05-13 · 4 obs

● 2015-08-12 17:32:42
● 2017-05-13 10:34:50
○ 2026-02-22 17:02:14
○ 2026-05-13 19:04:26

●NSns1.websupport.cz2026-02-22 → 2026-05-13 · 3 obs

○ 2017-05-13 10:34:50
● 2026-02-22 17:02:14
● 2026-05-13 19:04:26

●NSns2.websupport.cz2026-02-22 → 2026-05-13 · 3 obs

○ 2017-05-13 10:34:50
● 2026-02-22 17:02:14
● 2026-05-13 19:04:26

●NSns3.websupport.eu2026-02-22 → 2026-05-13 · 3 obs

○ 2017-05-13 10:34:50
● 2026-02-22 17:02:14
● 2026-05-13 19:04:26

○MXmail.mujhost.cz2015-08-12 → 2017-05-13 · 4 obs

● 2015-08-12 17:32:42
● 2017-05-13 10:34:50
○ 2026-02-22 17:02:14
○ 2026-05-13 19:04:26

●MXmailin1.fischer-software.cz2026-02-22 → 2026-05-13 · 3 obs

○ 2017-05-13 10:34:50
● 2026-02-22 17:02:14
● 2026-05-13 19:04:26

●MXmailin2.fischer-software.cz2026-02-22 → 2026-05-13 · 3 obs

○ 2017-05-13 10:34:50
● 2026-02-22 17:02:14
● 2026-05-13 19:04:26

●A81.95.98.1352026-02-22 → 2026-05-13 · 2 obs

● 2026-02-22 17:02:14
● 2026-05-13 19:04:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
fischer-software.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: 3119ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.95.98.135`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.fischer-software.cz (pri: 10), mailin2.fischer-software.cz (pri: 100)`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

fischer-software.cz is parent of mailin2.fischer-software.cz and mailin1.fischer-software.cz.

IP Addresses

fischer-software.cz points to a single IP number: 81.95.98.135.

other host names for instance indigo.globenet.cz, ceskysen.cz, agemy.cz, imh.cz and nagy.cz share IP numbers with fischer-software.cz.

Name Servers

fischer-software.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

fischer-software.cz at least partially shares name servers with other domains, for instance abecov.nl, jmtent.cz, assoufid.com, tancirna.net and grandhotel-film.cz.

These name servers are commonly used with ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

Host names with two IP numbers:

Host ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11.

Host ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12.

Host ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13.

Mail Servers

fischer-software.cz is handled by two mail servers: mailin1.fischer-software.cz and mailin2.fischer-software.cz.

Host names with two IP numbers:

mailin1.fischer-software.cz points to 2a00:4b40:aaaa:2101:45:13:137:7 and 45.13.137.105

mailin2.fischer-software.cz points to 2a00:4b40:aaaa:2101:45:13:137:103 and 45.13.137.7

fischer-software.cz - robtex.com