mxchat.cz - robtex.com

mxchat.cz

DNSSEC🔒 Signed (DS record present)
A31.220.75.8🇩🇪 CONTABO31.220.72.0/21
PTRvmi1214297.contaboserver.net
NSns2.web4u.cz
A2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns2.web4u.cz
A85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block
PTRns2.web4u.cz
NSns.web4u.cz
A2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33
PTRns.web4u.cz
A185.14.224.241🇨🇿 WEB4U185.14.224.0/23
PTRns.web4u.cz
MXaspmx1.migadu.com
A2001:41d0:303:d163::1🇫🇷 OVH2001:41d0::/32 IPv6
A2001:41d0:303:e224::🇫🇷 OVH2001:41d0::/32 IPv6
PTRmx12.migadu.com
A2001:41d0:303:ff4d::1🇫🇷 OVH2001:41d0::/32 IPv6
A2001:41d0:403:4876::🇫🇷 OVH2001:41d0::/32 IPv6
PTRmx10.migadu.com
A2001:41d0:403:58f0::🇫🇷 OVH2001:41d0::/32 IPv6
PTRmx11.migadu.com
A51.178.91.99🇫🇷 OVH51.178.0.0/16
PTRmx15.migadu.com
A51.210.223.36🇫🇷 OVH51.210.0.0/16
PTRmx12.migadu.com
A57.128.22.240🇫🇷 OVH57.128.0.0/17
PTRmx11.migadu.com
A141.94.75.77🇫🇷 OVH141.94.0.0/16
PTRmx14.migadu.com
A141.94.97.118🇫🇷 OVH141.94.0.0/16
PTRmx10.migadu.com
MXaspmx2.migadu.com(20)
A2001:41d0:303:d163::1🇫🇷 OVH2001:41d0::/32 IPv6
A2001:41d0:303:e224::🇫🇷 OVH2001:41d0::/32 IPv6
PTRmx12.migadu.com
A2001:41d0:303:ff4d::1🇫🇷 OVH2001:41d0::/32 IPv6
A2001:41d0:403:4876::🇫🇷 OVH2001:41d0::/32 IPv6
PTRmx10.migadu.com
A2001:41d0:403:58f0::🇫🇷 OVH2001:41d0::/32 IPv6
PTRmx11.migadu.com
A51.178.91.99🇫🇷 OVH51.178.0.0/16
PTRmx15.migadu.com
A51.210.223.36🇫🇷 OVH51.210.0.0/16
PTRmx12.migadu.com
A57.128.22.240🇫🇷 OVH57.128.0.0/17
PTRmx11.migadu.com
A141.94.75.77🇫🇷 OVH141.94.0.0/16
PTRmx14.migadu.com
A141.94.97.118🇫🇷 OVH141.94.0.0/16
PTRmx10.migadu.com
TXThosted-email-verify=nkqn2syr
TXTv=spf1 include:spf.migadu.com -all
SOAns.web4u.czadmin@web4u.cz 2025-11-15 #3

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=1776143852

Same first word

Similar names

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:85.207.53.12

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1051ms | Queries: -

📄 Records

TypeCountSample Data
A131.220.75.8
NS2ns.web4u.cz, ns2.web4u.cz
MX2aspmx1.migadu.com (pri: 10), aspmx2.migadu.com (pri: 20)
TXT2hosted-email-verify=nkqn2syr, v=spf1 include:spf.migadu.com -all
SOA1ns.web4u.cz admin.web4u.cz

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mxchat.cz points to a single IP address: 31.220.75.8.

Name Servers

Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for mxchat.cz.

mxchat.cz shares the same name server setup as other domains, for example chlorellapyrenoidosa.cz, skautonotjihlava.cz, vstab.cz, marianskelazne.org and kresina.net.

Host names with two IP numbers:

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

Two mail servers handle mxchat.cz: aspmx1.migadu.com and aspmx2.migadu.com.

mxchat.cz shares the same mail server setup as other domains, including adresses.info, thicongvanphong.com, technodisaster.com, symbionet.org and eatinganalytics.com.

mxchat.cz shares at least some mail servers with other domains, for instance insitessquare.com, numorning.com and wescore.com.

Host names with ten IP numbers:

aspmx1.migadu.com points to 2001:41d0:303:d163::1, 2001:41d0:303:e224::, 2001:41d0:303:ff4d::1, 2001:41d0:403:4876::, 2001:41d0:403:58f0::, 51.178.91.99, 51.210.223.36, 57.128.22.240, 141.94.75.77 and 141.94.97.118.

aspmx2.migadu.com points to 2001:41d0:303:d163::1, 2001:41d0:303:e224::, 2001:41d0:303:ff4d::1, 2001:41d0:403:4876::, 2001:41d0:403:58f0::, 51.178.91.99, 51.210.223.36, 57.128.22.240, 141.94.75.77 and 141.94.97.118.

Pattern: aspmx1.migadu.com and aspmx2.migadu.com point to the same 10 IP numbers.

Host names that point to 2001:41d0:303:d163::1: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 2001:41d0:303:e224::: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 2001:41d0:303:ff4d::1: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 2001:41d0:403:4876::: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 2001:41d0:403:58f0::: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 51.178.91.99: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 51.210.223.36: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 57.128.22.240: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 141.94.75.77: aspmx1.migadu.com and aspmx2.migadu.com.

Host names that point to 141.94.97.118: aspmx1.migadu.com and aspmx2.migadu.com.