cf-control.cz - robtex.com

cf-control.cz

DNSSEC🔒 Signed (DS record present)
A91.221.149.8🇨🇿 COMFEEL91.221.148.0/23 IPv4 addresses
PTRcf-control.cf-control.cz
NSns1.regzone.cz ⭐
A2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRns1.regzone.cz
A217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET
PTRns1.regzone.cz
NSns1.regzone.de
A2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies
PTRns1.regzone.de
A23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies
PTRns1.regzone.de
NSns1.regzone.info
A2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.regzone.info
A81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT
PTRns1.regzone.info
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0d::1a🇺🇸 Google2607:f8b0::/32
PTRdl-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2a00:1450:4025:402::1b🇳🇱 Google2a00:1450:4025::/48
PTRrb-in-f27.1e100.net
A142.250.102.26🇺🇸 Google142.250.102.0/24
PTRrb-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:4013:c1e::1a🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f26.1e100.net
A192.178.213.27🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4001:c21::1b🇩🇪 Google2a00:1450:4001::/48
PTRlcfrai-in-f27.1e100.net
A142.251.127.26🇺🇸 Google142.251.127.0/24
PTRlcfrai-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTv=spf1 ip4:81.25.21.34 ip4:81.25.21.35 ip4:89.221.217.212 ip4:91.221.148.0/23...
SOAns1.regzone.czadministrator@czechia.cz 2026-03-20 #6

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=1774572437

Subdomains

www.cf-control.cz

Same first word

cf-control.cz

DNS History

12 records (9 active, 3 former)

20162017201820192020202120222023202420252026NSns1.regzone.czns1.regzone.dens1.regzone.infons1.cf-point.czns2.cf-point.czMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.cf-point.czA91.221.149.8
○NSns1.cf-point.cz2015-06-12 → 2017-02-17 · 4 obs
● 2015-06-12 19:54:44
● 2017-02-17 20:18:12
○ 2026-03-24 06:27:52
○ 2026-03-27 01:33:52
●NSns1.regzone.cz2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
●NSns1.regzone.de2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
●NSns1.regzone.info2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
○NSns2.cf-point.cz2015-06-12 → 2017-02-17 · 4 obs
● 2015-06-12 19:54:44
● 2017-02-17 20:18:12
○ 2026-03-24 06:27:52
○ 2026-03-27 01:33:52
●MXalt1.aspmx.l.google.com2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
●MXalt2.aspmx.l.google.com2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
●MXalt3.aspmx.l.google.com2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
●MXalt4.aspmx.l.google.com2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
●MXaspmx.l.google.com2026-03-24 → 2026-03-27 · 3 obs
○ 2017-02-17 20:18:12
● 2026-03-24 06:27:52
● 2026-03-27 01:33:52
○MXmail.cf-point.cz2015-06-12 → 2017-02-17 · 4 obs
● 2015-06-12 19:54:44
● 2017-02-17 20:18:12
○ 2026-03-24 06:27:52
○ 2026-03-27 01:33:52
●A91.221.149.82015-06-12 → 2026-03-27 · 2 obs
● 2015-06-12 19:54:44
● 2026-03-27 01:33:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czc.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz-
cf-control.czns1.regzone.de, ns1.regzone.info, ns1.regzone.cz2 records

✅ Authoritative Response

Server:23.92.29.43

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1296ms | Queries: -

📄 Records

TypeCountSample Data
A191.221.149.8
NS3ns1.regzone.cz, ns1.regzone.de...
MX5aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...
TXT1v=spf1 ip4:81.25.21.34 ip4:81.25.21.35 i
SOA1ns1.regzone.cz administrator.czechia.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)

Analysis

Hierarchy

cf-control.cz is the parent of www.cf-control.cz.

IP Addresses

cf-control.cz resolves to a single IP: 91.221.149.8.

Other host names share IP numbers with cf-control.cz; for instance www.cf-control.cz.

Name Servers

cf-control.cz delegates to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

cf-control.cz shares some name servers with other domains, for example medistik.fr, klimafil.sk, balcar.cz, knih.cz and superbook.cz.

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

cf-control.cz is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cf-control.cz shares some mail servers with other domains, at least partially; for instance rypacek.cz, melanienixon.com, home2homeinvestments.com, forgeandsmith.com and highstreetdentalcentre.com.

these mail servers are often used together with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IPs:

Host aspmx.l.google.com has IPs 2607:f8b0:4023:c0d::1a and 142.250.101.27.

Host alt1.aspmx.l.google.com has IPs 2a00:1450:4025:402::1b and 142.250.102.26.

Host alt2.aspmx.l.google.com has IPs 2a00:1450:4013:c1e::1a and 192.178.213.27.

Host alt3.aspmx.l.google.com has IPs 2a00:1450:4001:c21::1b and 142.251.127.26.

Host alt4.aspmx.l.google.com has IPs 2a00:1450:400c:c00::1a and 173.194.76.26.