systematica.cz - dns.ninja

systematica.cz

DNSSECπŸ”’ Signed (DS record present)
A77.236.206.27πŸ‡¨πŸ‡Ώ EDERA_Group77.236.192.0/19 Network of Edera.cz
PTRmail.systematica.cz
NSns1.websupport.cz ⭐
A2a10:bbc0::11πŸ‡¨πŸ‡Ώ ACTIVE24-AS2a10:bbc0::/32
PTRns1.websupport.eu
A45.10.97.11πŸ‡¨πŸ‡Ώ ACTIVE24-AS45.10.97.0/24
PTRns1.websupport.eu
NSns2.websupport.cz
A2a02:250:3::12πŸ‡ΈπŸ‡ͺ ACTIVE24-AS2a02:250:3::/48
PTRns2.websupport.eu
A185.71.159.12πŸ‡ΈπŸ‡ͺ ACTIVE24-AS185.71.159.0/24
PTRns2.websupport.eu
NSns3.websupport.eu
A2a10:bbc0::13πŸ‡¨πŸ‡Ώ ACTIVE24-AS2a10:bbc0::/32
PTRns3.websupport.eu
A45.10.97.13πŸ‡¨πŸ‡Ώ ACTIVE24-AS45.10.97.0/24
PTRns3.websupport.eu
MXmail.systematica.cz ⭐
A77.236.206.27πŸ‡¨πŸ‡Ώ EDERA_Group77.236.192.0/19 Network of Edera.cz
PTRmail.systematica.cz
TXTv=spf1 mx a:mail.systematica.cz ~all
TXTgoogle-site-verification=lX7b5IpCJIBsURB-dRnHPpV1X_84w6GzzNcdxsXeVJ8
SOAns1.websupport.czadmin@websupport.cz serial=1707735941

cz

DNSSECπŸ”’ Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1786272443

Subdomains

Same first word

Similar names

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMXmail.systematica.czmail.pardubky.eumx.systematica.czA77.236.206.2737.157.192.20777.236.223.3090.181.131.61
β—‹NSalfa.ns.active24.cz2015-07-09 β†’ 2018-05-26 Β· 4 obs
● 2015-07-09 01:21:06
● 2018-05-26 18:57:08
β—‹ 2026-03-27 06:36:32
β—‹ 2026-08-09 11:21:18
β—‹NSbeta.ns.active24.cz2015-07-09 β†’ 2018-05-26 Β· 4 obs
● 2015-07-09 01:21:06
● 2018-05-26 18:57:08
β—‹ 2026-03-27 06:36:32
β—‹ 2026-08-09 11:21:18
β—‹NSgama.ns.active24.sk2015-07-09 β†’ 2018-05-26 Β· 4 obs
● 2015-07-09 01:21:06
● 2018-05-26 18:57:08
β—‹ 2026-03-27 06:36:32
β—‹ 2026-08-09 11:21:18
●NSns1.websupport.cz2026-03-27 β†’ 2026-08-09 Β· 3 obs
β—‹ 2018-05-26 18:57:08
● 2026-03-27 06:36:32
● 2026-08-09 11:21:18
●NSns2.websupport.cz2026-03-27 β†’ 2026-08-09 Β· 3 obs
β—‹ 2018-05-26 18:57:08
● 2026-03-27 06:36:32
● 2026-08-09 11:21:18
●NSns3.websupport.eu2026-03-27 β†’ 2026-08-09 Β· 3 obs
β—‹ 2018-05-26 18:57:08
● 2026-03-27 06:36:32
● 2026-08-09 11:21:18
β—‹MXmail.pardubky.eu2016-12-29 β†’ 2018-05-26 Β· 5 obs
β—‹ 2016-04-25 16:20:52
● 2016-12-29 22:42:50
● 2018-05-26 18:57:08
β—‹ 2026-03-27 06:36:32
β—‹ 2026-08-09 11:21:18
●MXmail.systematica.cz2015-07-09 β†’ 2026-08-09 Β· 5 obs
● 2015-07-09 01:21:06
β—‹ 2015-11-12 23:58:16
β—‹ 2018-05-26 18:57:08
● 2026-03-27 06:36:32
● 2026-08-09 11:21:18
β—‹MXmx.systematica.cz2015-11-12 β†’ 2016-04-25 Β· 5 obs
β—‹ 2015-07-09 01:21:06
● 2015-11-12 23:58:16
● 2016-04-25 16:20:52
β—‹ 2016-12-29 22:42:50
β—‹ 2026-08-09 11:21:18
β—‹A37.157.192.2072015-07-09 β†’ 2015-11-12 Β· 4 obs
● 2015-07-09 01:21:06
● 2015-11-12 23:58:16
β—‹ 2016-02-08 10:56:48
β—‹ 2026-08-09 11:21:18
●A77.236.206.272026-03-27 β†’ 2026-08-09 Β· 3 obs
β—‹ 2018-05-26 18:57:08
● 2026-03-27 06:36:32
● 2026-08-09 11:21:18
β—‹A77.236.223.302018-05-26 β†’ 2018-05-26 Β· 4 obs
β—‹ 2016-12-29 22:42:50
● 2018-05-26 18:57:08
β—‹ 2026-03-27 06:36:32
β—‹ 2026-08-09 11:21:18
β—‹A90.181.131.612016-02-08 β†’ 2016-04-25 Β· 5 obs
β—‹ 2015-11-12 23:58:16
● 2016-02-08 10:56:48
● 2016-04-25 16:20:52
β—‹ 2016-12-29 22:42:50
β—‹ 2026-08-09 11:21:18

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
systematica.czns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu-

βœ… Authoritative Response

Server:45.10.97.11

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

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1002ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A177.236.206.27
NS3ns1.websupport.cz, ns2.websupport.cz...
MX1mail.systematica.cz (pri: 10)
TXT2v=spf1 mx a:mail.systematica.cz ~all, google-site-verification=lX7b5IpCJIBsURB
SOA1ns1.websupport.cz admin.websupport.cz

πŸ“Œ Glue Records Collected

Total: 8

In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Analysis

Hierarchy

mail.systematica.cz is delegated beneath systematica.cz.

IP Addresses

systematica.cz resolves to just one IP address, 77.236.206.27.

Other hosts including biketower.eu, biketower.cz and mail.systematica.cz share IP addresses with systematica.cz.

Name Servers

DNS for systematica.cz is handled by three authoritative name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

There is at least partial name server overlap between systematica.cz and other domains β€” 321.cz, havel-composites.com, cespra.cz and two more among them.

The name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk are often found in combination with these name servers.

Three hostnames β€” ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu β€” each have two IP addresses: ns1.websupport.cz has 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz has 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu has 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

The sole mail server for systematica.cz is mail.systematica.cz.

Like biketower.cz and biketower.eu, systematica.cz has the same mail server arrangement as several other domains.

mail.systematica.cz has exactly one IP number: 77.236.206.27.