contratosonline.com - robtex.com
contratosonline.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.0.123.102🇪🇸 COLT212.0.96.0/19 Espana Customer Networks | ||||||
| PTR | mail2.ecija.com | ||||||
| NS | ns0.es.colt.net ⭐ | ||||||
| A | 212.74.78.39🇩🇪 COLT212.74.78.0/24 Internal 5 | ||||||
| PTR | ns0.es.colt.net | ||||||
| NS | ns1.es.colt.net | ||||||
| A | 212.74.77.39🇬🇧 COLT212.74.77.0/24 Internal 4 | ||||||
| PTR | ns1.es.colt.net | ||||||
| MX | mail.contratosonline.com ⭐ | ||||||
| A | 212.0.123.98🇪🇸 COLT212.0.96.0/19 Espana Customer Networks | ||||||
| PTR | mail.ecija.com | ||||||
| SOA | ns0.es.colt.netdns-requests@colt.net 2008-08-05 #0 | ||||||
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=1776990686 | ||||||
Subdomains
mail.contratosonline.com |
Same first word
contratosonline.com |
DNS History
4 records (4 active, 0 former)
●NSns0.es.colt.net2015-05-27 → 2026-04-24 · 2 obs
● 2026-04-24 00:49:16
●NSns1.es.colt.net2015-05-27 → 2026-04-24 · 2 obs
● 2026-04-24 00:49:16
●MXmail.contratosonline.com2015-05-27 → 2026-04-24 · 2 obs
● 2026-04-24 00:49:16
●A212.0.123.1022015-05-27 → 2026-04-24 · 2 obs
● 2026-04-24 00:49:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| contratosonline.com | ns1.es.colt.net, ns0.es.colt.net | - |
✅ Authoritative Response
Server:212.74.77.39
NS records: ns1.es.colt.net, ns0.es.colt.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contratosonline.com (unsigned zone)
⏱️ Timing
Total: 688ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.0.123.102 |
| NS | 2 | ns1.es.colt.net, ns0.es.colt.net |
| MX | 1 | mail.contratosonline.com (pri: 10) |
| SOA | 1 | ns0.es.colt.net dns-requests.colt.net |
Analysis
Hierarchy
The parent of mail.contratosonline.com is contratosonline.com.
IP Addresses
contratosonline.com points to a single IP: 212.0.123.102.
Other host names such as mail2.ecija.com and www.elmundolegal.com share IP numbers with contratosonline.com.
Name Servers
Two name servers ns0.es.colt.net and ns1.es.colt.net handle delegation for contratosonline.com.
contratosonline.com uses the same name server setup as other domains, for example flightcare.aero, cronitex-sl.com, emer-gfk.com, audaestadisticas.com and suzuki.com.es.
contratosonline.com partially shares name servers with other domains; examples include clarkemodet.org, unikrestaurante.com, fundacioncefi.com, loteriasyapuestas.org and 9.170.79.in-addr.arpa.
These name servers are commonly paired with artemis.ttd.net, ns1.grupogmp.com, psintstl1.stl.es, psi.cnmc.es, zeta.cnmc.es, psi.cibelesdmz.local and zeta.cibelesdmz.local.
Host names with one IP number: The host name ns0.es.colt.net points to 212.74.78.39 and the host name ns1.es.colt.net points to 212.74.77.39.
Mail Servers
contratosonline.com is handled by a single mail server, mail.contratosonline.com.
mail.contratosonline.com points to a single IP: 212.0.123.98.