arbo-kt.com - robtex.com
arbo-kt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1528:279:0:217:11:227:76🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | backup.antee.cz | ||||||
| A | 217.11.227.76🇨🇿 CASABLANCA-AS217.11.227.0/24 Casablanca INT | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mail.arbo-kt.com ⭐ | ||||||
| A | 94.74.221.222🇨🇿 AS1624694.74.192.0/18 Rio Media a.s. CZ | ||||||
| PTR | amail.arbo-kt.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2009-06-29 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776025427 | ||||||
Subdomains
mail.arbo-kt.com |
Same first word
DNS History
6 records (5 active, 1 former)
●MXmail.arbo-kt.com2015-06-10 → 2026-04-12 · 2 obs
● 2026-04-12 20:37:20
●A2001:1528:279:0:217:11:227:762026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 20:37:20
●A217.11.227.762026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 20:37:20
○A81.91.83.1492015-06-10 → 2017-03-29 · 3 obs
● 2017-03-29 01:25:18
○ 2026-04-12 20:37:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| arbo-kt.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for arbo-kt.com (unsigned zone)
⏱️ Timing
Total: 779ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.11.227.76 |
| AAAA | 1 | 2001:1528:279:0:217:11:227:76 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mail.arbo-kt.com (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
The parent of mail.arbo-kt.com is arbo-kt.com.
IP Addresses
Two IP numbers are pointed to by arbo-kt.com: 2001:1528:279:0:217:11:227:76 and 217.11.227.76.
other host names include autopodhrazsky.cz, ddhb.cz, glassbar.cz, protlaky.com and rubus.cz; they share IP numbers with arbo-kt.com.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for arbo-kt.com.
arbo-kt.com shares the same name server setup as other domains, for instance ink-jetservis.cz, hbzs.eu, alsa-project.org, objednavkybausch.cz and algaefilter.com.
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
arbo-kt.com is handled by a single mail server, mail.arbo-kt.com.
The host name mail.arbo-kt.com points to IP 94.74.221.222.