bruna.cz - robtex.com

bruna.cz

DNSSEC🔒 Signed (DS record present)
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
MX828d7e5632a317ae.mx1.emailprofi.seznam.cz ⭐
A2a02:598:2::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
MX828d7e5632a317ae.mx2.emailprofi.seznam.cz(20)
A2a02:598:2::1146🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx2.emailprofi.seznam.cz
A77.75.77.146🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx2.emailprofi.seznam.cz
TXTv=spf1 include:spf.seznam.cz ~all
SOAns1.websupport.czadmin@websupport.cz serial=1776788462

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=1784519242

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DNS History

18 records (5 active, 13 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skns.noronet.czns2.noronet.czMX828d7e5632a317ae.mx1.emailprofi.seznam.cz828d7e5632a317ae.mx2.emailprofi.seznam.czin.smtp.czmail.bruna.czmail2.bruna.czmx.smtp.czmx1.active24.commx2.active24.comA217.16.180.9381.95.96.29
○NSalfa.ns.active24.cz2016-04-02 → 2017-12-15 · 5 obs
○ 2015-12-31 16:07:24
● 2016-04-02 07:53:38
● 2017-12-15 18:47:06
○ 2026-06-13 13:17:36
○ 2026-07-20 04:54:18
○NSbeta.ns.active24.cz2016-04-02 → 2017-12-15 · 5 obs
○ 2015-12-31 16:07:24
● 2016-04-02 07:53:38
● 2017-12-15 18:47:06
○ 2026-06-13 13:17:36
○ 2026-07-20 04:54:18
○NSgama.ns.active24.sk2016-04-02 → 2017-12-15 · 5 obs
○ 2015-12-31 16:07:24
● 2016-04-02 07:53:38
● 2017-12-15 18:47:06
○ 2026-06-13 13:17:36
○ 2026-07-20 04:54:18
○NSns.noronet.cz2015-08-11 → 2015-12-31 · 4 obs
● 2015-08-11 15:14:06
● 2015-12-31 16:07:24
○ 2016-04-02 07:53:38
○ 2026-07-20 04:54:18
●NSns1.websupport.cz2026-06-13 → 2026-07-20 · 3 obs
○ 2017-12-15 18:47:06
● 2026-06-13 13:17:36
● 2026-07-20 04:54:18
○NSns2.noronet.cz2015-08-11 → 2015-12-31 · 4 obs
● 2015-08-11 15:14:06
● 2015-12-31 16:07:24
○ 2016-04-02 07:53:38
○ 2026-07-20 04:54:18
●NSns2.websupport.cz2026-06-13 → 2026-07-20 · 3 obs
○ 2017-12-15 18:47:06
● 2026-06-13 13:17:36
● 2026-07-20 04:54:18
●NSns3.websupport.eu2026-06-13 → 2026-07-20 · 3 obs
○ 2017-12-15 18:47:06
● 2026-06-13 13:17:36
● 2026-07-20 04:54:18
●MX828d7e5632a317ae.mx1.emailprofi.seznam.cz2026-06-13 → 2026-07-20 · 3 obs
○ 2017-12-15 18:47:06
● 2026-06-13 13:17:36
● 2026-07-20 04:54:18
●MX828d7e5632a317ae.mx2.emailprofi.seznam.cz2026-06-13 → 2026-07-20 · 3 obs
○ 2017-12-15 18:47:06
● 2026-06-13 13:17:36
● 2026-07-20 04:54:18
○MXin.smtp.cz2016-04-02 → 2016-10-11 · 5 obs
○ 2015-12-31 16:07:24
● 2016-04-02 07:53:38
● 2016-10-11 01:50:44
○ 2017-12-15 18:47:06
○ 2026-07-20 04:54:18
○MXmail.bruna.cz2015-08-11 → 2015-12-31 · 4 obs
● 2015-08-11 15:14:06
● 2015-12-31 16:07:24
○ 2016-04-02 07:53:38
○ 2026-07-20 04:54:18
○MXmail2.bruna.cz2015-08-11 → 2015-12-31 · 4 obs
● 2015-08-11 15:14:06
● 2015-12-31 16:07:24
○ 2016-04-02 07:53:38
○ 2026-07-20 04:54:18
○MXmx.smtp.cz2016-04-02 → 2016-10-11 · 5 obs
○ 2015-12-31 16:07:24
● 2016-04-02 07:53:38
● 2016-10-11 01:50:44
○ 2017-12-15 18:47:06
○ 2026-07-20 04:54:18
○MXmx1.active24.com2017-12-15 → 2017-12-15 · 4 obs
○ 2016-10-11 01:50:44
● 2017-12-15 18:47:06
○ 2026-06-13 13:17:36
○ 2026-07-20 04:54:18
○MXmx2.active24.com2017-12-15 → 2017-12-15 · 4 obs
○ 2016-10-11 01:50:44
● 2017-12-15 18:47:06
○ 2026-06-13 13:17:36
○ 2026-07-20 04:54:18
○A217.16.180.932015-08-11 → 2015-12-31 · 4 obs
● 2015-08-11 15:14:06
● 2015-12-31 16:07:24
○ 2016-04-02 07:53:38
○ 2026-07-20 04:54:18
○A81.95.96.292016-04-02 → 2017-12-15 · 5 obs
○ 2015-12-31 16:07:24
● 2016-04-02 07:53:38
● 2017-12-15 18:47:06
○ 2026-06-13 13:17:36
○ 2026-07-20 04:54:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
bruna.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: 1083ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns1.websupport.cz, ns2.websupport.cz...
MX2828d7e5632a317ae.mx1.emailprofi.seznam.c, 828d7e5632a317ae.mx2.emailprofi.seznam.c
TXT1v=spf1 include:spf.seznam.cz ~all
SOA1ns1.websupport.cz admin.websupport.cz

📌 Glue Records Collected

Total: 8

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

Analysis

Name Servers

bruna.cz carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

bruna.cz has at least partial name server overlap with other domains, such as instop.cz, doubleshot.sk, ndsm.eu and two others.

ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu are three hostnames that each resolve to a pair of IP addresses: ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

The MX records for bruna.cz point to two mail servers: 828d7e5632a317ae.mx1.emailprofi.seznam.cz and 828d7e5632a317ae.mx2.emailprofi.seznam.cz.

828d7e5632a317ae.mx1.emailprofi.seznam.cz and 828d7e5632a317ae.mx2.emailprofi.seznam.cz both carry two IP addresses. The A records for 828d7e5632a317ae.mx1.emailprofi.seznam.cz are 77.75.77.56 and 2a02:598:2::1056; the A records for 828d7e5632a317ae.mx2.emailprofi.seznam.cz are 77.75.77.146 and 2a02:598:2::1146.