casch.cz - robtex.com

casch.cz

DNSSECπŸ”’ Signed (DS record present)
A2a00:4b40:aaaa:2011::5πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
A37.9.175.213πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS37.9.175.0/24
NSns1.websupport.cz ⭐ ⚠️ Not in parent delegation
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
NSns1.websupport.sk ⚠️ Not in zone NS records
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 ⚠️ Not in parent delegation
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
NSns2.websupport.sk ⚠️ Not in zone NS records
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 ⚠️ Not in parent delegation
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
NSns3.websupport.sk ⚠️ Not in zone NS records
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
MXmx10.active24.cz ⭐
A2a00:4b40:aaaa:2101:45:13:137:85πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
A45.13.137.85πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS45.13.137.0/24
MXmx20.active24.cz(100)
A2a00:4b40:aaaa:2101:45:13:137:86πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
A45.13.137.86πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS45.13.137.0/24
TXTv=spf1 a mx include:_spf.websupport.cz include:_spf.m1.websupport.sk ?all
TXTspf2.0/pra a mx include:_sid.websupport.cz include:_sid.m1.websupport.sk ?all
SOAns1.websupport.czadmin@websupport.cz serial=1784491854

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=1785413839

Same first word

Similar names

DNS History

15 records (10 active, 5 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns1.websupport.skns2.websupport.czns2.websupport.skns3.websupport.euns3.websupport.skns.wedos.comns.wedos.czns.wedos.euns.wedos.netMXmx10.active24.czmx20.active24.czA2a00:4b40:aaaa:2011::537.9.175.21331.31.76.85
β—‹NSns.wedos.com2015-07-05 β†’ 2020-02-12 Β· 4 obs
● 2015-07-05 20:19:22
● 2020-02-12 15:23:18
β—‹ 2026-06-13 08:01:50
β—‹ 2026-07-30 12:27:20
β—‹NSns.wedos.cz2015-07-05 β†’ 2020-02-12 Β· 4 obs
● 2015-07-05 20:19:22
● 2020-02-12 15:23:18
β—‹ 2026-06-13 08:01:50
β—‹ 2026-07-30 12:27:20
β—‹NSns.wedos.eu2015-07-05 β†’ 2020-02-12 Β· 4 obs
● 2015-07-05 20:19:22
● 2020-02-12 15:23:18
β—‹ 2026-06-13 08:01:50
β—‹ 2026-07-30 12:27:20
β—‹NSns.wedos.net2015-07-05 β†’ 2020-02-12 Β· 4 obs
● 2015-07-05 20:19:22
● 2020-02-12 15:23:18
β—‹ 2026-06-13 08:01:50
β—‹ 2026-07-30 12:27:20
●NSns1.websupport.cz2026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●NSns1.websupport.sk2026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●NSns2.websupport.cz2026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●NSns2.websupport.sk2026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●NSns3.websupport.eu2026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●NSns3.websupport.sk2026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●MXmx10.active24.cz2026-06-13 β†’ 2026-07-30 Β· 2 obs
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●MXmx20.active24.cz2026-06-13 β†’ 2026-07-30 Β· 2 obs
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
●A2a00:4b40:aaaa:2011::52026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20
β—‹A31.31.76.852015-07-05 β†’ 2020-02-12 Β· 4 obs
● 2015-07-05 20:19:22
● 2020-02-12 15:23:18
β—‹ 2026-06-13 08:01:50
β—‹ 2026-07-30 12:27:20
●A37.9.175.2132026-06-13 β†’ 2026-07-30 Β· 3 obs
β—‹ 2020-02-12 15:23:18
● 2026-06-13 08:01:50
● 2026-07-30 12:27:20

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
czd.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz-
casch.czns1.websupport.sk, ns3.websupport.sk, ns2.websupport.sk-

βœ… Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.sk, ns3.websupport.sk, ns2.websupport.sk

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 989ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A137.9.175.213
AAAA12a00:4b40:aaaa:2011::5
NS3ns1.websupport.cz, ns2.websupport.cz...
MX2mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100)
TXT2v=spf1 a mx include:_spf.websupport.cz i, spf2.0/pra a mx include:_sid.websupport.
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

IP Addresses

casch.cz has two IP addresses: 37.9.175.213 and 2a00:4b40:aaaa:2011::5

Two other host names, along with vstop.cz, mc-mystiq.cz and centr.cz, also share IP numbers with casch.cz.

Name Servers

casch.cz is served by 6 authoritative name servers β€” among them ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu and 3 others.

The name servers of casch.cz overlap at least partially with those of other domains β€” among them nlchamber.cz, t-shock.eu, ikea-family.cz and two more.

The name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk are commonly seen alongside these name servers.

Host names that have two IP addresses:

ns1.websupport.cz resolves to two addresses: 45.10.97.11 and 2a10:bbc0::11.

ns2.websupport.cz resolves to two addresses: 185.71.159.12 and 2a02:250:3::12.

ns3.websupport.eu resolves to two addresses: 45.10.97.13 and 2a10:bbc0::13.

ns1.websupport.sk resolves to two addresses: 45.10.97.11 and 2a10:bbc0::11.

ns2.websupport.sk resolves to two addresses: 185.71.159.12 and 2a02:250:3::12.

ns3.websupport.sk resolves to two addresses: 45.10.97.13 and 2a10:bbc0::13.

ns1.websupport.cz along with ns1.websupport.sk each resolve to 2a10:bbc0::11 IP addresses.

ns1.websupport.cz along with ns1.websupport.sk each resolve to 45.10.97.11 IP addresses.

ns2.websupport.cz along with ns2.websupport.sk each resolve to 2a02:250:3::12 IP addresses.

ns2.websupport.cz along with ns2.websupport.sk each resolve to 185.71.159.12 IP addresses.

ns3.websupport.eu along with ns3.websupport.sk each resolve to 2a10:bbc0::13 IP addresses.

ns3.websupport.eu along with ns3.websupport.sk each resolve to 45.10.97.13 IP addresses.

Mail Servers

casch.cz is served by two mail servers, mx10.active24.cz and mx20.active24.cz.

Among the domains sharing a mail server setup with casch.cz are ucerta.eu, mausam.online, szo.cz and two others.

casch.cz has mail servers in common with other domains β€” goldo.cz being one example.

mx10.active24.cz and mx20.active24.cz both carry two IP addresses. The A records for mx10.active24.cz are 45.13.137.85 and 2a00:4b40:aaaa:2101:45:13:137:85; the A records for mx20.active24.cz are 45.13.137.86 and 2a00:4b40:aaaa:2101:45:13:137:86.