coltczgroup.com - robtex.com
coltczgroup.com
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=1776093567 | ||||||
Same first word
coltczgroup.com |
DNS History
7 records (7 active, 0 former)
●MXcoltczgroup-com.mail.protection.outlook.com2026-03-19 → 2026-04-13 · 2 obs
● 2026-04-13 15:24:32
●A185.64.216.412026-03-19 → 2026-04-13 · 2 obs
● 2026-04-13 15:24:32
●A2a00:1ed0:67::282026-03-19 → 2026-04-13 · 2 obs
● 2026-04-13 15:24:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coltczgroup.com | ns1.ignum.eu, ns2.ignum.eu, ns3.ignum.eu, ns4.ignum.eu | - |
✅ Authoritative Response
Server:217.31.48.201
NS records: ns1.ignum.eu, ns2.ignum.eu, ns3.ignum.eu, ns4.ignum.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coltczgroup.com (unsigned zone)
⏱️ Timing
Total: 646ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.64.216.41 |
| AAAA | 1 | 2a00:1ed0:67::28 |
| NS | 3 | ns1.ignum.eu, ns2.ignum.eu... |
| MX | 1 | coltczgroup-com.mail.protection.outlook. |
| TXT | 8 | knowbe4-site-verification=5a093cb96d966b, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns1.ignum.eu root.ignum.eu |
Analysis
IP Addresses
coltczgroup.com resolves to two IP numbers: 2a00:1ed0:67::28 and 185.64.216.41.
Other host names, for instance simulia.cz, wamag.info, czg.cz, www.atrium-sk.sk and pos-media.ro share IP numbers with coltczgroup.com.
Name Servers
coltczgroup.com is delegated to four name servers: ns1.ignum.eu, ns2.ignum.eu, ns3.ignum.eu and ns4.ignum.eu.
coltczgroup.com shares some name servers with other domains, for example kurica.cz, solitea.cz, ngb.cz, alfega.cz and dayz3.com.
These name servers are often used together with ns2.ignum.cz, ns1.ignum.com and ns.stable.cz.
Host names with two IP numbers: ns1.ignum.eu points to 2a00:1e40:a:53::5 and 185.65.223.35; ns2.ignum.eu points to 2001:1ab0:7e1e:2::5 and 217.31.48.201; ns3.ignum.eu points to 2a03:b0c0:1:d0::1090:2001 and 178.62.60.201.
Host names with one IP number: ns4.ignum.eu points to 185.65.223.35.
Host names that point to 185.65.223.35: ns1.ignum.eu and ns4.ignum.eu.
Mail Servers
coltczgroup.com is handled by a single mail server, coltczgroup-com.mail.protection.outlook.com.
Host coltczgroup-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::9, 2a01:111:f403:ca09::c, 2a01:111:f403:ca09::d, 52.101.68.16, 52.101.68.18, 52.101.68.21 and 52.101.73.24.