claudecoded.cz - robtex.com

claudecoded.cz

DNSSECπŸ”’ Signed (DS record present)
A2001:1568::14πŸ‡¨πŸ‡Ώ WEB4U2001:1568::/33
PTRphp7.web4u.cz
A81.91.86.14πŸ‡¨πŸ‡Ώ WEB4U81.91.80.0/21
NSns2.web4u.cz ⭐
A2a02:a40:100:28ff::12πŸ‡¨πŸ‡Ώ BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns2.web4u.cz
A85.207.53.12πŸ‡¨πŸ‡Ώ BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block
PTRns2.web4u.cz
NSns.web4u.cz
A2001:1568:fd::241πŸ‡¨πŸ‡Ώ WEB4U2001:1568::/33
PTRns.web4u.cz
A185.14.224.241πŸ‡¨πŸ‡Ώ WEB4U185.14.224.0/23
PTRns.web4u.cz
MXmx1.mailchannels.net ⭐
A54.69.1.140πŸ‡ΊπŸ‡Έ Amazon54.68.0.0/15 EC2 PDX Prefix
PTRec2-54-69-1-140.us-west-2.compute.amazonaws.com
MXmx2.mailchannels.net ⭐
A54.69.1.140πŸ‡ΊπŸ‡Έ Amazon54.68.0.0/15 EC2 PDX Prefix
PTRec2-54-69-1-140.us-west-2.compute.amazonaws.com
SOAns.web4u.czadmin@web4u.cz 2026-05-07 #2

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=1786052842

Subdomains

Same first word

DNS History

6 records (6 active, 0 former)

NSns.web4u.czns2.web4u.czMXmx1.mailchannels.netmx2.mailchannels.netA2001:1568::1481.91.86.14
●NSns.web4u.cz2026-06-22 β†’ 2026-08-06 Β· 2 obs
● 2026-06-22 12:22:32
● 2026-08-06 22:27:14
●NSns2.web4u.cz2026-06-22 β†’ 2026-08-06 Β· 2 obs
● 2026-06-22 12:22:32
● 2026-08-06 22:27:14
●MXmx1.mailchannels.net2026-06-22 β†’ 2026-08-06 Β· 2 obs
● 2026-06-22 12:22:32
● 2026-08-06 22:27:14
●MXmx2.mailchannels.net2026-06-22 β†’ 2026-08-06 Β· 2 obs
● 2026-06-22 12:22:32
● 2026-08-06 22:27:14
●A2001:1568::142026-06-22 β†’ 2026-08-06 Β· 2 obs
● 2026-06-22 12:22:32
● 2026-08-06 22:27:14
●A81.91.86.142026-06-22 β†’ 2026-08-06 Β· 2 obs
● 2026-06-22 12:22:32
● 2026-08-06 22:27:14

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
claudecoded.czns.web4u.cz, ns2.web4u.cz4 records

βœ… Authoritative Response

Server:185.14.224.241

NS records: ns.web4u.cz, ns2.web4u.cz

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 883ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A181.91.86.14
AAAA12001:1568::14
NS2ns.web4u.cz, ns2.web4u.cz
MX2mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10)
SOA1ns.web4u.cz admin.web4u.cz

πŸ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

Hierarchy

The domain www.claudecoded.cz falls under the parent claudecoded.cz.

IP Addresses

claudecoded.cz points to the IP addresses 81.91.86.14 and 2001:1568::14

Additional host names β€” vs385.server4u.cz, vs253.server4u.cz, kumbaldekor.cz and two others β€” share IP numbers with claudecoded.cz.

Name Servers

claudecoded.cz uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.

claudecoded.cz shares its name server setup with other domains, including jezat.eu, brenston.cz, wernherd.eu and two others.

The two host names ns2.web4u.cz and ns.web4u.cz each have a pair of IP addresses: ns2.web4u.cz has 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz has 185.14.224.241 and 2001:1568:fd::241.

Mail Servers

claudecoded.cz has two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.

claudecoded.cz shares the same mail server setup as other domains, including kanno.net, sanfrancisco-design.com, filmstreak.com and two others.

At least a portion of claudecoded.cz's mail servers are shared with other domains, among them (0x666574697368)23.com and alvanaz.com.

mx1.mailchannels.net resolves to 54.69.1.140; mx2.mailchannels.net resolves to the same IP address, 54.69.1.140.

Both mx1.mailchannels.net and mx2.mailchannels.net resolve to 54.69.1.140 IP addresses each.