kaolin.cz - robtex.com

kaolin.cz

DNSSECπŸ”’ Signed (DS record present)
A37.9.175.131πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS37.9.175.0/24
PTRing.r1.websupport.sk
NSns1.ignum.com ⭐ ⚠️ Not in zone NS records
A2a00:1e40:a:53::5πŸ‡ΈπŸ‡° IGNUM-AS2a00:1e40:a::/48
PTRns1-bra.core.webglobe.com
A185.65.223.35πŸ‡ΈπŸ‡° IGNUM-AS185.65.223.0/24
PTRns1-bra.core.webglobe.com
NSns1.websupport.sk ⚠️ 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
NSns2.ignum.cz ⚠️ Not in zone NS records
A2001:1ab0:7e1e:2::5πŸ‡¨πŸ‡Ώ IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
A217.31.48.201πŸ‡¨πŸ‡Ώ IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
NSns2.websupport.sk ⚠️ 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
MXin.smtp.cz ⭐
A2a02:4a8:ac24:101::97:102πŸ‡¨πŸ‡Ώ ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6
PTRin.smtp.cz
A2a02:4a8:ac24:101::97:111πŸ‡¨πŸ‡Ώ ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6
PTRin.smtp.cz
A2a02:4a8:ac24:101::97:116πŸ‡¨πŸ‡Ώ ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6
PTRin.smtp.cz
A81.95.97.102πŸ‡¨πŸ‡Ώ ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1
PTRin.smtp.cz
A81.95.97.111πŸ‡¨πŸ‡Ώ ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1
PTRin.smtp.cz
A81.95.97.116πŸ‡¨πŸ‡Ώ ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1
PTRin.smtp.cz
MXmx.smtp.cz(100)
A2a00:4b40:1000:590:185:111:90:93πŸ‡ΈπŸ‡° WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRmx2.active24.com
A185.111.90.93πŸ‡­πŸ‡Ί WEBSUPPORT-SRO-SK-AS185.111.88.0/22
PTRmx2.active24.com
SOAns1.ignum.comhostmaster@ignum.cz 2026-04-12 #1

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=1776993435

Same first word

Similar names

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns1.ignum.comns1.websupport.skns2.ignum.czns2.websupport.skMXin.smtp.czmx.smtp.czA37.9.175.13181.95.106.108
●NSns1.ignum.com2015-08-20 β†’ 2026-04-24 Β· 2 obs
● 2015-08-20 23:34:14
● 2026-04-24 01:47:36
●NSns1.websupport.sk2026-04-07 β†’ 2026-04-24 Β· 3 obs
β—‹ 2015-08-20 23:34:14
● 2026-04-07 12:08:44
● 2026-04-24 01:47:36
●NSns2.ignum.cz2015-08-20 β†’ 2026-04-24 Β· 2 obs
● 2015-08-20 23:34:14
● 2026-04-24 01:47:36
●NSns2.websupport.sk2026-04-07 β†’ 2026-04-24 Β· 3 obs
β—‹ 2015-08-20 23:34:14
● 2026-04-07 12:08:44
● 2026-04-24 01:47:36
●MXin.smtp.cz2015-08-20 β†’ 2026-04-24 Β· 2 obs
● 2015-08-20 23:34:14
● 2026-04-24 01:47:36
●MXmx.smtp.cz2015-08-20 β†’ 2026-04-24 Β· 2 obs
● 2015-08-20 23:34:14
● 2026-04-24 01:47:36
●A37.9.175.1312026-04-07 β†’ 2026-04-24 Β· 3 obs
β—‹ 2017-05-13 19:13:28
● 2026-04-07 12:08:44
● 2026-04-24 01:47:36
β—‹A81.95.106.1082015-08-20 β†’ 2017-05-13 Β· 4 obs
● 2015-08-20 23:34:14
● 2017-05-13 19:13:28
β—‹ 2026-04-07 12:08:44
β—‹ 2026-04-24 01:47:36

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz-
kaolin.czns1.ignum.com, ns2.ignum.cz2 records

βœ… Authoritative Response

Server:217.31.48.201

NS records: ns1.ignum.com, ns2.ignum.cz

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 872ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A137.9.175.131
NS2ns1.websupport.sk, ns2.websupport.sk
MX2in.smtp.cz (pri: 10), mx.smtp.cz (pri: 100)
SOA1ns1.ignum.com hostmaster.ignum.cz

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)

Analysis

IP Addresses

kaolin.cz resolves to one IP number: 37.9.175.131.

Other host names, for instance www.dc.sk, mailinbackup1.mizu.sk, 199.onet.sk, ceeo.eu and kosarnik.sk share IP numbers with kaolin.cz.

Name Servers

kaolin.cz delegates to four name servers: ns1.ignum.com, ns2.ignum.cz, ns1.websupport.sk and ns2.websupport.sk.

kaolin.cz at least partially shares name servers with other domains, including spfgroup.org, beskydy.sk, pilna.cz, hsport.eu and cema-music.com.

These name servers are commonly used with ns3.websupport.sk.

Host names with two IP numbers: ns1.ignum.com points to 2a00:1e40:a:53::5 and 185.65.223.35; ns2.ignum.cz points to 2001:1ab0:7e1e:2::5 and 217.31.48.201; ns1.websupport.sk points to 2a10:bbc0::11 and 45.10.97.11; ns2.websupport.sk points to 2a02:250:3::12 and 185.71.159.12.

Mail Servers

kaolin.cz is served by two mail servers in.smtp.cz and mx.smtp.cz.

kaolin.cz shares the same mail server setup as other domains, for instance 3dbook.cz, oplot.cz, ovladani.eu, dansac.cz and chaly.cz.

kaolin.cz shares at least some mail servers with other domains, for example napajedla.net, digiweb.cz, iq-test.co.uk, sultan.smtp.cz and koupelnyatopeni.cz.

Host names with six IP numbers: in.smtp.cz points to 2a02:4a8:ac24:101::97:102, 2a02:4a8:ac24:101::97:111, 2a02:4a8:ac24:101::97:116, 81.95.97.102, 81.95.97.111 and 81.95.97.116.

Host names with two IP numbers: mx.smtp.cz points to 2a00:4b40:1000:590:185:111:90:93 and 185.111.90.93.