ascon.cz - robtex.com

ascon.cz

DNSSEC๐Ÿ”’ Signed (DS record present)
A95.217.207.245๐Ÿ‡ซ๐Ÿ‡ฎ Hetzner95.217.0.0/16 HETZNER-DC
PTRlisa.ascon.cz
NSns2.web4u.cz โญ
A2a02:a40:100:28ff::12๐Ÿ‡จ๐Ÿ‡ฟ BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns2.web4u.cz
A85.207.53.12๐Ÿ‡จ๐Ÿ‡ฟ BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block
PTRns2.web4u.cz
NSns.web4u.cz
A2001:1568:fd::241๐Ÿ‡จ๐Ÿ‡ฟ WEB4U2001:1568::/33
PTRns.web4u.cz
A185.14.224.241๐Ÿ‡จ๐Ÿ‡ฟ WEB4U185.14.224.0/23
PTRns.web4u.cz
MXmxavas.forpsi.com โญ
A81.2.195.200๐Ÿ‡จ๐Ÿ‡ฟ INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.
PTRip-81-2-195-200.defastlink.net
TXTv=spf1 a mx include:_spf.forpsi.com include:_spf.ascon.cz ~all
SOAns.web4u.czadmin@web4u.cz 2025-03-22 #2

cz

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.ns.nic.cz โญ ๐Ÿ”’
NSb.ns.nic.cz ๐Ÿ”’
NSc.ns.nic.cz ๐Ÿ”’
NSd.ns.nic.cz ๐Ÿ”’
SOAa.ns.nic.czhostmaster@nic.cz serial=1771291036

Subdomains

Same first word

Similar names

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026NSns.web4u.czns2.web4u.czMXmxavas.forpsi.comA95.217.207.24554.36.173.3881.91.82.222
โ—NSns.web4u.cz2015-08-25 โ†’ 2026-03-21 ยท 2 obs
โ— 2015-08-25 11:56:16
โ— 2026-03-21 19:48:24
โ—NSns2.web4u.cz2015-08-25 โ†’ 2026-03-21 ยท 2 obs
โ— 2015-08-25 11:56:16
โ— 2026-03-21 19:48:24
โ—MXmxavas.forpsi.com2015-08-25 โ†’ 2026-03-21 ยท 2 obs
โ— 2015-08-25 11:56:16
โ— 2026-03-21 19:48:24
โ—‹A54.36.173.382020-02-21 โ†’ 2020-02-21 ยท 4 obs
โ—‹ 2017-09-03 10:58:56
โ— 2020-02-21 22:24:44
โ—‹ 2026-03-11 05:25:00
โ—‹ 2026-03-21 19:48:24
โ—‹A81.91.82.2222015-08-25 โ†’ 2017-09-03 ยท 4 obs
โ— 2015-08-25 11:56:16
โ— 2017-09-03 10:58:56
โ—‹ 2020-02-21 22:24:44
โ—‹ 2026-03-21 19:48:24
โ—A95.217.207.2452026-03-11 โ†’ 2026-03-21 ยท 3 obs
โ—‹ 2020-02-21 22:24:44
โ— 2026-03-11 05:25:00
โ— 2026-03-21 19:48:24

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
czc.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz-
ascon.czns.web4u.cz, ns2.web4u.cz4 records

โœ… Authoritative Response

Server: 85.207.53.12

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

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 2145ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A195.217.207.245
NS2ns.web4u.cz, ns2.web4u.cz
MX1mxavas.forpsi.com (pri: 10)
TXT1v=spf1 a mx include:_spf.forpsi.com incl
SOA1ns.web4u.cz admin.web4u.cz

๐Ÿ“Œ Glue Records Collected

Total: 4

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

Analysis

Hierarchy

ascon.cz is a parent of mailadmin.ascon.cz, mona.ascon.cz, webmail.ascon.cz, mail.ascon.cz, lisa.ascon.cz and a few other host names.

IP Addresses

ascon.cz resolves to a single IP address: 95.217.207.245.

Other host names including lrauto.cz, adamecmiroslav.cz, dovolena-jeseniky.cz, lukostreleckysvaz.cz and kempmars.cz share IP numbers with ascon.cz.

Name Servers

ascon.cz's delegation uses two name servers, ns2.web4u.cz and ns.web4u.cz.

ascon.cz shares the same name server setup as other domains, for example xbalu.cz, bmf-bad.de, lesovna.eu, alensa.fi and helpservice.cz.

Host names with two IPs:

ns2.web4u.cz points to: 2a02:a40:100:28ff::12 and 85.207.53.12

ns.web4u.cz points to: 2001:1568:fd::241 and 185.14.224.241

Mail Servers

ascon.cz is handled by a single mail server, mxavas.forpsi.com.

ascon.cz shares its mail server setup with other domains, including pysely.cz, jkla.cz, melnicky.com, bestinshow.cz and virtually.cz.

ascon.cz shares at least partially some mail servers with other domains, for instance ignsoft.cz, hippokratescz.eu and superparba.eu.

mxavas.forpsi.com points to a single IP: 81.2.195.200.