4vize.cz - robtex.com

4vize.cz

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8acb🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:46c0🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.192Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.203🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkirk.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bc0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkirk.ns.cloudflare.com
A2803:f800:50::6ca2:c1c0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkirk.ns.cloudflare.com
A2a06:98c1:50::ac40:21c0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkirk.ns.cloudflare.com
A108.162.193.192🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkirk.ns.cloudflare.com
A172.64.33.192🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkirk.ns.cloudflare.com
A173.245.59.192🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkirk.ns.cloudflare.com
NSnucum.ns.cloudflare.com
A2606:4700:50::a29f:2691🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A2803:f800:50::6ca2:c291🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnucum.ns.cloudflare.com
A2a06:98c1:50::ac40:2291🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnucum.ns.cloudflare.com
A108.162.194.145🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A162.159.38.145Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
A172.64.34.145🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnucum.ns.cloudflare.com
TXTgoogle-site-verification=ukkNhLbeJMKLHFXutxD6LMJzDyBxfW3emDPyTJLbufE
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.192, 172.67.138.203
IPv6 hints2606:4700:3032::ac43:8acb, 2606:4700:3037::6815:46c0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=171, name=cloudflare-ech.com
SOAkirk.ns.cloudflare.comdns@cloudflare.com serial=2401692468

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=1778446034
rank #561260 globally
rank #2648 in the tld

Same first word

4vize.cz

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSkirk.ns.cloudflare.comnucum.ns.cloudflare.comns.forpsi.czns.forpsi.itns.forpsi.netMXmxavas.forpsi.comA104.21.70.192172.67.138.2032606:4700:3032::ac43:8acb2606:4700:3037::6815:46c081.2.194.210
●NSkirk.ns.cloudflare.com2026-04-04 → 2026-05-10 · 3 obs
○ 2020-01-29 20:36:10
● 2026-04-04 07:06:08
● 2026-05-10 21:17:20
○NSns.forpsi.cz2015-07-22 → 2020-01-29 · 4 obs
● 2015-07-22 08:38:56
● 2020-01-29 20:36:10
○ 2026-04-04 07:06:08
○ 2026-05-10 21:17:20
○NSns.forpsi.it2015-07-22 → 2020-01-29 · 4 obs
● 2015-07-22 08:38:56
● 2020-01-29 20:36:10
○ 2026-04-04 07:06:08
○ 2026-05-10 21:17:20
○NSns.forpsi.net2015-07-22 → 2020-01-29 · 4 obs
● 2015-07-22 08:38:56
● 2020-01-29 20:36:10
○ 2026-04-04 07:06:08
○ 2026-05-10 21:17:20
●NSnucum.ns.cloudflare.com2026-04-04 → 2026-05-10 · 3 obs
○ 2020-01-29 20:36:10
● 2026-04-04 07:06:08
● 2026-05-10 21:17:20
○MXmxavas.forpsi.com2015-07-22 → 2020-01-29 · 4 obs
● 2015-07-22 08:38:56
● 2020-01-29 20:36:10
○ 2026-04-04 07:06:08
○ 2026-05-10 21:17:20
●A104.21.70.1922026-04-04 → 2026-05-10 · 3 obs
○ 2020-01-29 20:36:10
● 2026-04-04 07:06:08
● 2026-05-10 21:17:20
●A172.67.138.2032026-04-04 → 2026-05-10 · 3 obs
○ 2020-01-29 20:36:10
● 2026-04-04 07:06:08
● 2026-05-10 21:17:20
●A2606:4700:3032::ac43:8acb2026-04-04 → 2026-05-10 · 3 obs
○ 2020-01-29 20:36:10
● 2026-04-04 07:06:08
● 2026-05-10 21:17:20
●A2606:4700:3037::6815:46c02026-04-04 → 2026-05-10 · 3 obs
○ 2020-01-29 20:36:10
● 2026-04-04 07:06:08
● 2026-05-10 21:17:20
○A81.2.194.2102015-07-22 → 2020-01-29 · 4 obs
● 2015-07-22 08:38:56
● 2020-01-29 20:36:10
○ 2026-04-04 07:06:08
○ 2026-05-10 21:17:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
4vize.czkirk.ns.cloudflare.com, nucum.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.145

NS records: kirk.ns.cloudflare.com, nucum.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4vize.cz (unsigned zone)

⏱️ Timing

Total: 845ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.203, 104.21.70.192
AAAA22606:4700:3032::ac43:8acb, 2606:4700:3037::6815:46c0
NS2kirk.ns.cloudflare.com, nucum.ns.cloudflare.com
TXT1google-site-verification=ukkNhLbeJMKLHFX
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kirk.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

4vize.cz resolves to four IP numbers: 2606:4700:3032::ac43:8acb, 2606:4700:3037::6815:46c0, 104.21.70.192 and 172.67.138.203.

Other host names such as octaprosolution.com, mail.laceydevelopments.com, trevisan.edu.br, www.altes-zollhaus-frankfurt.de and computechhosting.com share IPs with 4vize.cz.

Name Servers

4vize.cz is delegated to two name servers: kirk.ns.cloudflare.com and nucum.ns.cloudflare.com.

4vize.cz shares the same name server setup as cineplusfilm.de, skirkland.com, brarru.com, 969bu.com and 55suu.com.

4vize.cz at least partially shares name servers with other domains, for instance activtrades.cz, dydgroundwork.co.uk, gov-nyx.help, browsershow.com and 857380.com.

Host names with six IP numbers:

kirk.ns.cloudflare.com points to 2606:4700:58::adf5:3bc0, 2803:f800:50::6ca2:c1c0, 2a06:98c1:50::ac40:21c0, 108.162.193.192, 172.64.33.192 and 173.245.59.192.

nucum.ns.cloudflare.com points to 2606:4700:50::a29f:2691, 2803:f800:50::6ca2:c291, 2a06:98c1:50::ac40:2291, 108.162.194.145, 162.159.38.145 and 172.64.34.145.