krejcar.com - robtex.com

krejcar.com

DNSSEC⚠️ Not signed
A2001:1528:123:333::230🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRraptor.dc3.cz
A85.132.152.87🇨🇿 FASTER-AS85.132.144.0/20
NSns1.tele3.cz ⭐
A2001:1528:123::d01🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.tele3.cz
A81.0.217.111🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT
NSns2.tele3.cz
A2001:4de8:fa71:7e1e::d02🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.
PTRns2.tele3.cz
A95.80.251.222🇨🇿 QUANTCOM-AS95.80.192.0/18 Dial Telecom, a.s.
PTRns2.tele3.cz
NSns3.tele3.eu
A2a01:4f8:162:24c1::d03🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns3.tele3.eu
A5.9.97.250🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5
PTRns3.tele3.eu
NSns4.tele3.us ⚠️ Not in zone NS records
A2a01:4ff:f0:16b7::d04🇺🇸 HETZNER-CLOUD2-AS2a01:4ff::/40 HETZNER-IPv6-BLK
A5.161.75.38🇺🇸 HETZNER-CLOUD2-AS5.161.75.0/24
PTRstatic.38.75.161.5.clients.your-server.de
MXmail.dc3.cz ⭐
A81.0.217.5🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT
TXTgoogle-site-verification=-DxFMmJIik5dzxWzyCGNDKakxji7AQagjl4OknBC98c
SOAns1.tele3.czroot@tele3.cz serial=1763018717

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776168862

Same first word

krejcar.net
krejcar.com

Similar names

rjkcare.com

DNS History

19 records (7 active, 12 former)

20162017201820192020202120222023202420252026NSns1.tele3.czns2.tele3.czns3.tele3.euns4.tele3.usns1.regzone.czns1.regzone.dens1.regzone.infons3.tele3.czns4.tele3.euMXmail.dc3.cz10mx.zoner.com15mx.zoner.comblackcat.tele3.czrelay.zoner.comA2001:1528:123:333::23085.132.152.87217.11.230.230217.198.114.162a00:19a0:3:72:0:d9c6:7210:1
○NSns1.regzone.cz2015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
○NSns1.regzone.de2015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
○NSns1.regzone.info2015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
●NSns1.tele3.cz2016-06-20 → 2026-04-14 · 3 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2026-04-14 12:30:48
●NSns2.tele3.cz2016-06-20 → 2026-04-14 · 3 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2026-04-14 12:30:48
○NSns3.tele3.cz2016-06-20 → 2016-07-29 · 5 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2016-07-29 16:42:38
○ 2026-04-10 22:05:48
○ 2026-04-14 12:30:48
●NSns3.tele3.eu2026-04-10 → 2026-04-14 · 3 obs
○ 2016-07-29 16:42:38
● 2026-04-10 22:05:48
● 2026-04-14 12:30:48
○NSns4.tele3.eu2016-06-20 → 2016-07-29 · 5 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2016-07-29 16:42:38
○ 2026-04-10 22:05:48
○ 2026-04-14 12:30:48
●NSns4.tele3.us2026-04-10 → 2026-04-14 · 3 obs
○ 2016-07-29 16:42:38
● 2026-04-10 22:05:48
● 2026-04-14 12:30:48
○MX10mx.zoner.com2015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
○MX15mx.zoner.com2015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
○MXblackcat.tele3.cz2016-06-20 → 2016-07-29 · 5 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2016-07-29 16:42:38
○ 2026-04-10 22:05:48
○ 2026-04-14 12:30:48
●MXmail.dc3.cz2016-06-20 → 2026-04-14 · 3 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2026-04-14 12:30:48
○MXrelay.zoner.com2015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
●A2001:1528:123:333::2302016-06-20 → 2026-04-14 · 3 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2026-04-14 12:30:48
○A217.11.230.2302016-06-20 → 2016-07-29 · 5 obs
○ 2016-03-25 03:55:36
● 2016-06-20 11:47:46
● 2016-07-29 16:42:38
○ 2026-04-10 22:05:48
○ 2026-04-14 12:30:48
○A217.198.114.162015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
○A2a00:19a0:3:72:0:d9c6:7210:12015-06-06 → 2015-12-20 · 4 obs
● 2015-06-06 10:14:16
● 2015-12-20 08:50:16
○ 2016-03-25 03:55:36
○ 2026-04-14 12:30:48
●A85.132.152.872026-04-10 → 2026-04-14 · 3 obs
○ 2016-07-29 16:42:38
● 2026-04-10 22:05:48
● 2026-04-14 12:30:48

🔍 DNS Trace

Analysis

IP Addresses

krejcar.com points to two IP numbers: 2001:1528:123:333::230 and 85.132.152.87.

Other host names such as vyzze.cz, murmak.com, psycholog-poradce.cz, hardtask.eu and betlemska.cz share IPs with krejcar.com.

Name Servers

krejcar.com is delegated to four name servers: ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu and ns4.tele3.us.

krejcar.com at least partially shares name servers with other domains, for example bumo.cz, rodetti.sk, augle.cz, patrovapostel.cz and autoskloservis.cz.

Host names with two IP numbers:

ns1.tele3.cz points to: 2001:1528:123::d01 and 81.0.217.111

ns2.tele3.cz points to: 2001:4de8:fa71:7e1e::d02 and 95.80.251.222

ns3.tele3.eu points to: 2a01:4f8:162:24c1::d03 and 5.9.97.250

ns4.tele3.us points to: 2a01:4ff:f0:16b7::d04 and 5.161.75.38

Mail Servers

The mail.dc3.cz mail server handles krejcar.com.

krejcar.com shares the same mail server setup as other domains, including szpd.cz, ok5.cz, nwdc.cz, bratsky.cz and mbike.cz.

krejcar.com shares at least some mail servers with other domains, for instance 066.cz, mailgate.cz and sterilizers-bmt.com.

these mail servers are commonly used with blackcat.tele3.cz.

mail.dc3.cz points to a single IP number: 81.0.217.5.