callback.cz - dns.ninja

callback.cz

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=1784652443

Same first word

Similar names

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMXdalo.eri.czmail.eri.czsmtp.eri.czA84.19.64.6284.19.64.75
NSalfa.ns.active24.cz2015-06-12 → 2018-12-07 · 4 obs
● 2015-06-12 05:38:44
● 2018-12-07 14:53:06
○ 2026-02-26 08:16:24
○ 2026-07-21 17:16:24
NSbeta.ns.active24.cz2015-06-12 → 2018-12-07 · 4 obs
● 2015-06-12 05:38:44
● 2018-12-07 14:53:06
○ 2026-02-26 08:16:24
○ 2026-07-21 17:16:24
NSgama.ns.active24.sk2015-06-12 → 2018-12-07 · 4 obs
● 2015-06-12 05:38:44
● 2018-12-07 14:53:06
○ 2026-02-26 08:16:24
○ 2026-07-21 17:16:24
NSns1.websupport.cz2026-02-26 → 2026-07-21 · 3 obs
○ 2018-12-07 14:53:06
● 2026-02-26 08:16:24
● 2026-07-21 17:16:24
NSns2.websupport.cz2026-02-26 → 2026-07-21 · 3 obs
○ 2018-12-07 14:53:06
● 2026-02-26 08:16:24
● 2026-07-21 17:16:24
NSns3.websupport.eu2026-02-26 → 2026-07-21 · 3 obs
○ 2018-12-07 14:53:06
● 2026-02-26 08:16:24
● 2026-07-21 17:16:24
MXdalo.eri.cz2026-02-26 → 2026-07-21 · 3 obs
○ 2018-12-07 14:53:06
● 2026-02-26 08:16:24
● 2026-07-21 17:16:24
MXmail.eri.cz2015-06-12 → 2018-12-07 · 4 obs
● 2015-06-12 05:38:44
● 2018-12-07 14:53:06
○ 2026-02-26 08:16:24
○ 2026-07-21 17:16:24
MXsmtp.eri.cz2015-06-12 → 2018-12-07 · 4 obs
● 2015-06-12 05:38:44
● 2018-12-07 14:53:06
○ 2026-02-26 08:16:24
○ 2026-07-21 17:16:24
A84.19.64.622026-02-26 → 2026-07-21 · 3 obs
○ 2018-12-07 14:53:06
● 2026-02-26 08:16:24
● 2026-07-21 17:16:24
A84.19.64.752015-06-12 → 2018-12-07 · 4 obs
● 2015-06-12 05:38:44
● 2018-12-07 14:53:06
○ 2026-02-26 08:16:24
○ 2026-07-21 17:16:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz8 records
callback.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: 1052ms | Queries: -

📄 Records

TypeCountSample Data
A184.19.64.62
NS3ns1.websupport.cz, ns2.websupport.cz...
MX1dalo.eri.cz (pri: 10)
TXT1v=spf1 ip4:84.19.64.0/24 ip4:84.19.75.21
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

IP Addresses

callback.cz has exactly one IP address — 84.19.64.62.

ul.cz, erimobile.cz, ceskybezdrat.cz plus two other host names have IP numbers in common with callback.cz.

Name Servers

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

callback.cz partially shares its NS delegation with several other domains, including aconill.com, hobbyking.cz, ilcikova.sk and two others.

These name servers regularly co-occur with the name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each resolve to two IP addresses: ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12; ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

callback.cz uses one mail server — dalo.eri.cz.

The mail server setup of callback.cz matches that of other domains such as erikarta.cz, cirkusbernes.cz, specialistanet.cz and two others.

dalo.eri.cz resolves to a single IP number: 84.19.64.20.