sebe.cz - robtex.com

sebe.cz

DNSSECπŸ”’ Signed (DS record present)
A82.113.48.9πŸ‡¨πŸ‡Ώ QUANTCOM-AS82.113.32.0/19 Dial Telecom, a.s.
NSns2.web4u.cz ⭐
A2a02:a40:100:28ff::12πŸ‡¨πŸ‡Ώ BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns2.web4u.cz
A85.207.53.12πŸ‡¨πŸ‡Ώ BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block
PTRns2.web4u.cz
NSns.web4u.cz
A2001:1568:fd::241πŸ‡¨πŸ‡Ώ WEB4U2001:1568::/33
PTRns.web4u.cz
A185.14.224.241πŸ‡¨πŸ‡Ώ WEB4U185.14.224.0/23
PTRns.web4u.cz
MXmx1.mailchannels.net ⭐
A54.69.1.140πŸ‡ΊπŸ‡Έ Amazon54.68.0.0/15 EC2 PDX Prefix
PTRec2-54-69-1-140.us-west-2.compute.amazonaws.com
MXmx2.mailchannels.net ⭐
A54.187.177.89πŸ‡ΊπŸ‡Έ Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
SOAns.web4u.czadmin@web4u.cz 2025-05-03 #0

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=1783979240

Subdomains

Same first word

Similar names

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSns.web4u.czns2.web4u.czMXmx1.mailchannels.netmx2.mailchannels.netmail.sebe.czmx.web4u.czA82.113.48.994.142.233.31
●NSns.web4u.cz2015-08-24 β†’ 2026-07-13 Β· 2 obs
● 2015-08-24 03:17:04
● 2026-07-13 22:02:12
●NSns2.web4u.cz2015-08-24 β†’ 2026-07-13 Β· 2 obs
● 2015-08-24 03:17:04
● 2026-07-13 22:02:12
β—‹MXmail.sebe.cz2015-08-24 β†’ 2016-07-03 Β· 4 obs
● 2015-08-24 03:17:04
● 2016-07-03 23:08:40
β—‹ 2019-08-21 17:50:26
β—‹ 2026-07-13 22:02:12
β—‹MXmx.web4u.cz2019-08-21 β†’ 2019-08-21 Β· 4 obs
β—‹ 2016-07-03 23:08:40
● 2019-08-21 17:50:26
β—‹ 2026-06-14 17:20:32
β—‹ 2026-07-13 22:02:12
●MXmx1.mailchannels.net2026-06-14 β†’ 2026-07-13 Β· 3 obs
β—‹ 2019-08-21 17:50:26
● 2026-06-14 17:20:32
● 2026-07-13 22:02:12
●MXmx2.mailchannels.net2026-06-14 β†’ 2026-07-13 Β· 3 obs
β—‹ 2019-08-21 17:50:26
● 2026-06-14 17:20:32
● 2026-07-13 22:02:12
●A82.113.48.92026-06-14 β†’ 2026-07-13 Β· 3 obs
β—‹ 2019-08-21 17:50:26
● 2026-06-14 17:20:32
● 2026-07-13 22:02:12
β—‹A94.142.233.312015-08-24 β†’ 2019-08-21 Β· 4 obs
● 2015-08-24 03:17:04
● 2019-08-21 17:50:26
β—‹ 2026-06-14 17:20:32
β—‹ 2026-07-13 22:02:12

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz-
sebe.czns2.web4u.cz, ns.web4u.cz4 records

βœ… Authoritative Response

Server:185.14.224.241

NS records: ns2.web4u.cz, ns.web4u.cz

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3933ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A182.113.48.9
NS2ns.web4u.cz, ns2.web4u.cz
MX2mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10)
SOA1ns.web4u.cz admin.web4u.cz

πŸ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

Hierarchy

sebe.cz is the parent zone for ns.sebe.cz.

IP Addresses

sebe.cz points to a single IP number: 82.113.48.9.

ns.sebe.cz, happy-electronics.eu and post.happy-electronics.eu are examples of other host names that share IP numbers with sebe.cz.

Name Servers

sebe.cz uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.

sebe.cz shares its name server setup with other domains, including skikuncice.cz, velosport.cz, akkushop.cz and two others.

sebe.cz partially shares its name servers with domains like mnd-drilling.eu and gasstorage.cz.

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

The two host names ns2.web4u.cz and ns.web4u.cz each have a pair of IP addresses: ns2.web4u.cz has 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz has 185.14.224.241 and 2001:1568:fd::241.

Mail Servers

sebe.cz has two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.

sebe.cz shares the same mail server setup as other domains, including fetuschili.com, mail.javelinaviationgroup.com, charlesiletbetter.com and two others.

At least some of sebe.cz's mail servers are shared with other domains, among them ridsportshopen.com, kcracing.se and budtorose.com.

mx1.mailchannels.net resolves to 54.69.1.140. mx2.mailchannels.net resolves to 54.187.177.89. Both host names point to a single IP number.