davidn.cz - robtex.com

davidn.cz

DNSSECπŸ”’ Signed (DS record present)
A2a00:1028:c400:44f:21e:6ff:fe45:6be7πŸ‡¨πŸ‡Ώ O2-CZECH-REPUBLIC2a00:1028::/32 O2 CZ
PTRdynamic-2a00-1028-c400-044f-021e-06ff-fe45-6be7.ipv6.o2.cz
A83.208.45.79πŸ‡¨πŸ‡Ώ O2-CZECH-REPUBLIC83.208.0.0/18 CZ.CZNET
NSjessica.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aabπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
A2803:f800:50::6ca2:c0abπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjessica.ns.cloudflare.com
A2a06:98c1:50::ac40:20abπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRjessica.ns.cloudflare.com
A108.162.192.171πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
A172.64.32.171πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
A173.245.58.171πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
NStosana.ns.cloudflare.com
A2606:4700:58::a29f:2c2bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtosana.ns.cloudflare.com
A2803:f800:50::6ca2:c32bπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtosana.ns.cloudflare.com
A2a06:98c1:50::ac40:232bπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRtosana.ns.cloudflare.com
A108.162.195.43πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtosana.ns.cloudflare.com
A162.159.44.43Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtosana.ns.cloudflare.com
A172.64.35.43πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtosana.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
A2606:4700:f5::eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute1.mx.cloudflare.net(65)
A2606:4700:f5::bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute3.mx.cloudflare.net(71)
A2606:4700:f5::11πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTgoogle-site-verification=iCV-KeMM1VeshwPZhbr5_N7hb9v7TUHGWxUmm6GAS-Y
TXTv=spf1 include:_spf.mx.cloudflare.net include:ondrej.org ~all
SOAjessica.ns.cloudflare.comdns@cloudflare.com serial=2401570711

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=1776991636
πŸ”’ HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSjessica.ns.cloudflare.comtosana.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA2a00:1028:c400:44f:21e:6ff:fe45:6be783.208.45.79
●NSjessica.ns.cloudflare.com2026-03-08 β†’ 2026-04-24 Β· 2 obs
● 2026-03-08 19:59:16
● 2026-04-24 01:06:06
●NStosana.ns.cloudflare.com2026-03-08 β†’ 2026-04-24 Β· 2 obs
● 2026-03-08 19:59:16
● 2026-04-24 01:06:06
●MXroute1.mx.cloudflare.net2026-03-08 β†’ 2026-04-24 Β· 2 obs
● 2026-03-08 19:59:16
● 2026-04-24 01:06:06
●MXroute2.mx.cloudflare.net2026-03-08 β†’ 2026-04-24 Β· 2 obs
● 2026-03-08 19:59:16
● 2026-04-24 01:06:06
●MXroute3.mx.cloudflare.net2026-03-08 β†’ 2026-04-24 Β· 2 obs
● 2026-03-08 19:59:16
● 2026-04-24 01:06:06
●A2a00:1028:c400:44f:21e:6ff:fe45:6be72026-03-08 β†’ 2026-04-24 Β· 2 obs
● 2026-03-08 19:59:16
● 2026-04-24 01:06:06
●A83.208.45.792026-03-08 β†’ 2026-04-24 Β· 2 obs
● 2026-03-08 19:59:16
● 2026-04-24 01:06:06

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
czd.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz8 records
davidn.cztosana.ns.cloudflare.com, jessica.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.44.43

NS records: tosana.ns.cloudflare.com, jessica.ns.cloudflare.com

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 677ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A183.208.45.79
AAAA12a00:1028:c400:44f:21e:6ff:fe45:6be7
NS2jessica.ns.cloudflare.com, tosana.ns.cloudflare.com
MX3route2.mx.cloudflare.net (pri: 31), route1.mx.cloudflare.net (pri: 65)...
TXT2google-site-verification=iCV-KeMM1VeshwP, v=spf1 include:_spf.mx.cloudflare.net in
SOA1jessica.ns.cloudflare.com dns.cloudflare

πŸ“Œ Glue Records Collected

Total: 8

In-bailiwick: 8 (d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz...)

Analysis

IP Addresses

davidn.cz points to two IP numbers: 2a00:1028:c400:44f:21e:6ff:fe45:6be7 and 83.208.45.79.

Other host names such as hanan.cz, dynamic-2a00-1028-c400-044f-021e-06ff-fe45-6be7.ipv6.o2.cz, filipn.cz, hypnos.ondrej.org and katka.info share IPs with davidn.cz.

Name Servers

Two name servers jessica.ns.cloudflare.com and tosana.ns.cloudflare.com handle the delegation for davidn.cz.

davidn.cz shares the same name server setup as other domains, for example assetfinanceuk.com, flipper.co.za, hndres.com, xgobierno.com and dealmarkaz.pk.

davidn.cz at least partially shares name servers with other domains, for example thinklinkers.com, kllcn.com, yooparchitects.co.uk, liveworkseets.com and aora.ro.

These name servers are commonly used with craig.ns.cloudflare.com and amanda.ns.cloudflare.com and cash.ns.cloudflare.com.

Host names with six IP numbers:

jessica.ns.cloudflare.com points to 2606:4700:50::adf5:3aab, 2803:f800:50::6ca2:c0ab, 2a06:98c1:50::ac40:20ab, 108.162.192.171, 172.64.32.171 and 173.245.58.171.

tosana.ns.cloudflare.com points to 2606:4700:58::a29f:2c2b, 2803:f800:50::6ca2:c32b, 2a06:98c1:50::ac40:232b, 108.162.195.43, 162.159.44.43 and 172.64.35.43.

Mail Servers

davidn.cz is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

davidn.cz shares at least partially some mail servers with other domains, for instance arnoldthebat.co.uk, leafcity.net, aufans.com, paponeis.com and zoontown.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25