ullsperger.cz - robtex.com

ullsperger.cz

DNSSEC🔒 Signed (DS record present)
A2a00:4b40:aaaa:2011::5🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
A37.9.175.211🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24
NSns1.websupport.cz ⭐
A2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns1.websupport.eu
A45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns1.websupport.eu
NSns2.websupport.cz
A2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48
PTRns2.websupport.eu
A185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24
PTRns2.websupport.eu
NSns3.websupport.eu
A2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns3.websupport.eu
A45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns3.websupport.eu
MXmx10.active24.cz ⭐
A2a00:4b40:aaaa:2101:45:13:137:85🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
A45.13.137.85🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRmx10.active24.cz
MXmx20.active24.cz(100)
A2a00:4b40:aaaa:2101:45:13:137:86🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
A45.13.137.86🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24
PTRmx20.active24.cz
TXTv=spf1 a mx include:_spf.websupport.cz -all
SOAns1.websupport.czadmin@websupport.cz serial=1764789187

cz

DNSSEC🔒 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=1778863637

Same first word

ullsperger.cz
ullsperger.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMXmx10.active24.czmx20.active24.czin.smtp.czmx.smtp.czmx1.active24.commx2.active24.comA2a00:4b40:aaaa:2011::537.9.175.2112a02:4a8:ac24:104::98:15981.95.98.159
○NSalfa.ns.active24.cz2015-05-11 → 2017-08-16 · 4 obs
● 2015-05-11 09:14:44
● 2017-08-16 16:52:58
○ 2026-03-19 08:28:08
○ 2026-05-15 17:11:42
○NSbeta.ns.active24.cz2015-05-11 → 2017-08-16 · 4 obs
● 2015-05-11 09:14:44
● 2017-08-16 16:52:58
○ 2026-03-19 08:28:08
○ 2026-05-15 17:11:42
○NSgama.ns.active24.sk2015-05-11 → 2017-08-16 · 4 obs
● 2015-05-11 09:14:44
● 2017-08-16 16:52:58
○ 2026-03-19 08:28:08
○ 2026-05-15 17:11:42
●NSns1.websupport.cz2026-03-19 → 2026-05-15 · 3 obs
○ 2017-08-16 16:52:58
● 2026-03-19 08:28:08
● 2026-05-15 17:11:42
●NSns2.websupport.cz2026-03-19 → 2026-05-15 · 3 obs
○ 2017-08-16 16:52:58
● 2026-03-19 08:28:08
● 2026-05-15 17:11:42
●NSns3.websupport.eu2026-03-19 → 2026-05-15 · 3 obs
○ 2017-08-16 16:52:58
● 2026-03-19 08:28:08
● 2026-05-15 17:11:42
○MXin.smtp.cz2015-05-11 → 2016-09-23 · 4 obs
● 2015-05-11 09:14:44
● 2016-09-23 05:45:32
○ 2017-08-16 16:52:58
○ 2026-05-15 17:11:42
○MXmx.smtp.cz2015-05-11 → 2016-09-23 · 4 obs
● 2015-05-11 09:14:44
● 2016-09-23 05:45:32
○ 2017-08-16 16:52:58
○ 2026-05-15 17:11:42
○MXmx1.active24.com2017-08-16 → 2017-08-16 · 4 obs
○ 2016-09-23 05:45:32
● 2017-08-16 16:52:58
○ 2026-03-19 08:28:08
○ 2026-05-15 17:11:42
●MXmx10.active24.cz2026-03-19 → 2026-05-15 · 3 obs
○ 2017-08-16 16:52:58
● 2026-03-19 08:28:08
● 2026-05-15 17:11:42
○MXmx2.active24.com2017-08-16 → 2017-08-16 · 4 obs
○ 2016-09-23 05:45:32
● 2017-08-16 16:52:58
○ 2026-03-19 08:28:08
○ 2026-05-15 17:11:42
●MXmx20.active24.cz2026-03-19 → 2026-05-15 · 3 obs
○ 2017-08-16 16:52:58
● 2026-03-19 08:28:08
● 2026-05-15 17:11:42
●A2a00:4b40:aaaa:2011::52026-03-19 → 2026-05-15 · 3 obs
○ 2017-08-16 16:52:58
● 2026-03-19 08:28:08
● 2026-05-15 17:11:42
○A2a02:4a8:ac24:104::98:1592015-05-11 → 2017-08-16 · 4 obs
● 2015-05-11 09:14:44
● 2017-08-16 16:52:58
○ 2026-03-19 08:28:08
○ 2026-05-15 17:11:42
●A37.9.175.2112026-03-19 → 2026-05-15 · 3 obs
○ 2017-08-16 16:52:58
● 2026-03-19 08:28:08
● 2026-05-15 17:11:42
○A81.95.98.1592015-05-11 → 2017-08-16 · 4 obs
● 2015-05-11 09:14:44
● 2017-08-16 16:52:58
○ 2026-03-19 08:28:08
○ 2026-05-15 17:11:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
ullsperger.czns1.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: 975ms | Queries: -

📄 Records

TypeCountSample Data
A137.9.175.211
AAAA12a00:4b40:aaaa:2011::5
NS3ns1.websupport.cz, ns2.websupport.cz...
MX2mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100)
TXT1v=spf1 a mx include:_spf.websupport.cz -
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

IP Addresses

ullsperger.cz points to two IP numbers: 2a00:4b40:aaaa:2011::5 and 37.9.175.211.

Other host names, for instance interbill.cz, azpera.cz, icebreakershop.cz, hscomp.cz and hobl.cz share IP numbers with ullsperger.cz.

Name Servers

The delegation for ullsperger.cz is handled by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

ullsperger.cz at least partially shares name servers with other domains, for instance bitez.cz, (0x65726f746963)kyeshop.sk, arpeggio.cz, kramerallrad.cz and potasch.sk.

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

Two IP numbers per host:

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

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

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

Mail Servers

ullsperger.cz is handled by two mail servers: mx10.active24.cz and mx20.active24.cz.

ullsperger.cz uses the same mail server configuration as other domains, such as berte.cz, catalin.cz, real-expert.cz, phx-corp.com and totalsport.cz.

ullsperger.cz shares mail servers with other domains, at least partially, for instance volak.org and prague1.cz.

Host names with two IP numbers: mx10.active24.cz points to 2a00:4b40:aaaa:2101:45:13:137:85 and 45.13.137.85; mx20.active24.cz points to 2a00:4b40:aaaa:2101:45:13:137:86 and 45.13.137.86.