headtechnology.biz - robtex.com
headtechnology.biz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns0.de.colt.net ⭐ | ||||||
| A | 212.74.78.55🇩🇪 COLT212.74.78.0/24 Internal 5 | ||||||
| PTR | ns0.de.colt.net | ||||||
| NS | ns8.colt.net | ||||||
| A | 84.14.241.53🇫🇷 COLT84.14.0.0/16 FR-COLT-INTERNET-84-14 | ||||||
| PTR | ns8.colt.net | ||||||
| SOA | ns0.de.colt.netdns-requests@colt.net 2013-09-03 #0 | ||||||
biz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld.biz ⭐ | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
| SOA | a.gtld.bizadmin@tldns.godaddy serial=1777413442 | ||||||
Same first word
DNS History
2 records (2 active, 0 former)
●NSns0.de.colt.net2015-06-26 → 2026-04-28 · 2 obs
● 2026-04-28 22:08:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| biz | a.gtld.biz, b.gtld.biz, c.gtld.biz, m.gtld.biz... | - |
| headtechnology.biz | ns0.de.colt.net, ns8.colt.net | - |
✅ Authoritative Response
Server:84.14.241.53
NS records: ns0.de.colt.net, ns8.colt.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for headtechnology.biz (unsigned zone)
⏱️ Timing
Total: 788ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns0.de.colt.net, ns8.colt.net |
| SOA | 1 | ns0.de.colt.net dns-requests.colt.net |
Analysis
Name Servers
Delegation for headtechnology.biz rests with two name servers, ns8.colt.net and ns0.de.colt.net.
headtechnology.biz shares the same name server setup as other domains, including investitionsbankberlin.de, gruenderkontakte.de, msa-starcom.de, aok-die-gesundheitskasse.eu and agri-exchange.de.
headtechnology.biz at least partially shares name servers with other domains, for instance syzygy.info, reifen-direct.net, haspa-finanzholding.de, bonoloto.es and tunertires.de.
these name servers are often used with xdns.delti.com, ns1.de.colt.net, ns1.coltfrance.com, gw-aphp.ap-hop-paris.fr, ns0.lon.auth.colt.net, ns1.dgbit.datagroup.de, ns1.f5cloudservices.com and ns2.f5cloudservices.com.
Host names with one IP number: ns8.colt.net points to 84.14.241.53; ns0.de.colt.net points to 212.74.78.55.