knihkupec.com - robtex.com

knihkupec.com

DNSSEC⚠️ Not signed
A178.238.43.87πŸ‡¨πŸ‡Ώ MASTER-AS178.238.32.0/20 CZ-MASTER-20100712
PTR178-238-43-87.static.masterinter.net
NSns1.regzone.cz ⭐
A2a00:19a0:3:71:0:d9c6:710a:1πŸ‡¨πŸ‡Ώ ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRns1.regzone.cz
A217.198.113.10πŸ‡¨πŸ‡Ώ ZONER-AS217.198.112.0/20 ZONER-NET
PTRns1.regzone.cz
NSns1.regzone.de
A2600:3c02::f03c:91ff:fedb:a6e7πŸ‡ΊπŸ‡Έ AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies
PTRns1.regzone.de
A23.92.29.43πŸ‡ΊπŸ‡Έ AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies
PTRns1.regzone.de
NSns1.regzone.info
A2001:1528:147::10πŸ‡¨πŸ‡Ώ CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.regzone.info
A81.0.233.10πŸ‡¨πŸ‡Ώ CASABLANCA-AS81.0.232.0/21 Casablanca INT
PTRns1.regzone.info
MXrelay.zoner.com ⭐
A217.198.120.100πŸ‡¨πŸ‡Ώ ZONER-AS217.198.112.0/20 ZONER-NET
PTRrelay.zoner.com
MX10mx.zoner.com(10)
A217.198.120.36πŸ‡¨πŸ‡Ώ ZONER-AS217.198.112.0/20 ZONER-NET
PTR10mx.zoner.com
MX15mx.zoner.com(15)
A81.0.233.6πŸ‡¨πŸ‡Ώ CASABLANCA-AS81.0.232.0/21 Casablanca INT
PTR15mx.zoner.com
TXTv=spf1 mx a ip4:178.238.43.87 include:spf-zoner-zmail.zoner.com -all
SOAns1.regzone.czadministrator@czechia.cz 2026-03-31 #2

com

WOT: UNKNOWN (60/100)

Previously NS for

Same first word

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.regzone.czns1.regzone.dens1.regzone.infofox.fox1.czknihkupec.comns2.fox1.czMX10mx.zoner.com15mx.zoner.comrelay.zoner.commx.knihkupec.comA178.238.43.8783.167.228.210
β—‹NSfox.fox1.cz2015-06-10 β†’ 2015-06-10 Β· 3 obs
● 2015-06-10 09:53:28
β—‹ 2015-11-05 01:16:56
β—‹ 2026-04-12 21:20:28
β—‹NSknihkupec.com2015-06-10 β†’ 2015-06-10 Β· 3 obs
● 2015-06-10 09:53:28
β—‹ 2015-11-05 01:16:56
β—‹ 2026-04-12 21:20:28
●NSns1.regzone.cz2015-11-05 β†’ 2026-04-12 Β· 3 obs
β—‹ 2015-06-10 09:53:28
● 2015-11-05 01:16:56
● 2026-04-12 21:20:28
●NSns1.regzone.de2015-11-05 β†’ 2026-04-12 Β· 3 obs
β—‹ 2015-06-10 09:53:28
● 2015-11-05 01:16:56
● 2026-04-12 21:20:28
●NSns1.regzone.info2015-11-05 β†’ 2026-04-12 Β· 3 obs
β—‹ 2015-06-10 09:53:28
● 2015-11-05 01:16:56
● 2026-04-12 21:20:28
β—‹NSns2.fox1.cz2015-06-10 β†’ 2015-06-10 Β· 3 obs
● 2015-06-10 09:53:28
β—‹ 2015-11-05 01:16:56
β—‹ 2026-04-12 21:20:28
●MX10mx.zoner.com2015-11-05 β†’ 2026-04-12 Β· 3 obs
β—‹ 2015-06-10 09:53:28
● 2015-11-05 01:16:56
● 2026-04-12 21:20:28
●MX15mx.zoner.com2015-11-05 β†’ 2026-04-12 Β· 3 obs
β—‹ 2015-06-10 09:53:28
● 2015-11-05 01:16:56
● 2026-04-12 21:20:28
β—‹MXmx.knihkupec.com2015-06-10 β†’ 2015-06-10 Β· 3 obs
● 2015-06-10 09:53:28
β—‹ 2015-11-05 01:16:56
β—‹ 2026-04-12 21:20:28
●MXrelay.zoner.com2015-11-05 β†’ 2026-04-12 Β· 3 obs
β—‹ 2015-06-10 09:53:28
● 2015-11-05 01:16:56
● 2026-04-12 21:20:28
●A178.238.43.872026-03-18 β†’ 2026-04-12 Β· 3 obs
β—‹ 2017-06-08 23:51:02
● 2026-03-18 01:58:22
● 2026-04-12 21:20:28
β—‹A83.167.228.2102015-06-10 β†’ 2017-06-08 Β· 4 obs
● 2015-06-10 09:53:28
● 2017-06-08 23:51:02
β—‹ 2026-03-18 01:58:22
β—‹ 2026-04-12 21:20:28

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
knihkupec.comns1.regzone.info, ns1.regzone.cz, ns1.regzone.de-

βœ… Authoritative Response

Server:23.92.29.43

NS records: ns1.regzone.info, ns1.regzone.cz, ns1.regzone.de

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knihkupec.com (unsigned zone)

⏱️ Timing

Total: 932ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1178.238.43.87
NS3ns1.regzone.cz, ns1.regzone.de...
MX3relay.zoner.com (pri: 1), 10mx.zoner.com (pri: 10)...
TXT1v=spf1 mx a ip4:178.238.43.87 include:sp
SOA1ns1.regzone.cz administrator.czechia.cz

Analysis

IP Addresses

knihkupec.com resolves to one IP number: 178.238.43.87.

Other host names, for instance foxcom.eu, dankruml.cz, foxcom.cz, aiko.fox1.cz and fox1.cz share IP numbers with knihkupec.com.

Name Servers

knihkupec.com is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

knihkupec.com at least partially shares name servers with other domains, including dia.cz, maxliner.cz, tetrin.com, car4way.info and www-cz.com.

Host names with two IP numbers:

ns1.regzone.cz: 2a00:19a0:3:71:0:d9c6:710a:1 and 217.198.113.10

ns1.regzone.de: 2600:3c02::f03c:91ff:fedb:a6e7 and 23.92.29.43

ns1.regzone.info: 2001:1528:147::10 and 81.0.233.10

Mail Servers

Three mail servers handle knihkupec.com: 10mx.zoner.com, 15mx.zoner.com and relay.zoner.com.

knihkupec.com shares at least some mail servers with other domains, for example naturatlas.cz, elektro-svestka.cz, rentcz.cz, zoner.de and jima.cz.

Host names with a single IP:

10mx.zoner.com points to 217.198.120.36; 15mx.zoner.com points to 81.0.233.6; relay.zoner.com points to 217.198.120.100.