rum-nu.de - robtex.com
rum-nu.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.61.168.83🇩🇪 COLT213.61.0.0/16 -DE | ||||||
| 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 | ||||||
| MX | mail.rum-nu.de ⭐ | ||||||
| A | 213.61.168.82🇩🇪 COLT213.61.0.0/16 -DE | ||||||
| PTR | mail.raber-maercker.de | ||||||
| MX | mx.colt.net(200) | ||||||
| A | 212.74.77.101🇬🇧 COLT212.74.77.0/24 Internal 4 | ||||||
| PTR | mc21.lon.server.colt.net | ||||||
| SOA | ns0.de.colt.netedv@raber-maercker.de 2015-05-04 #0 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1774450819 | ||||||
Subdomains
mail.rum-nu.de |
Same first word
rum-nu.de |
DNS History
5 records (5 active, 0 former)
●NSns0.de.colt.net2015-09-04 → 2026-03-25 · 2 obs
● 2026-03-25 15:01:54
●MXmail.rum-nu.de2015-09-04 → 2026-03-25 · 2 obs
● 2026-03-25 15:01:54
●A213.61.168.832015-09-04 → 2026-03-25 · 2 obs
● 2026-03-25 15:01:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| rum-nu.de | ns8.colt.net, ns0.de.colt.net | - |
✅ Authoritative Response
Server:84.14.241.53
NS records: ns8.colt.net, ns0.de.colt.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rum-nu.de (unsigned zone)
⏱️ Timing
Total: 1090ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.61.168.83 |
| NS | 2 | ns0.de.colt.net, ns8.colt.net |
| MX | 2 | mail.rum-nu.de (pri: 30), mx.colt.net (pri: 200) |
| SOA | 1 | ns0.de.colt.net edv.raber-maercker.de |
Analysis
Hierarchy
rum-nu.de is the parent of mail.rum-nu.de.
IP Addresses
rum-nu.de resolves to one IP number: 213.61.168.83.
Other host names, for instance raber-maercker.de, gfwi.de and h-213.61.168.83.host.de.colt.net share IP numbers with rum-nu.de.
Name Servers
rum-nu.de is delegated to two name servers ns8.colt.net and ns0.de.colt.net.
rum-nu.de shares the same name server setup as other domains, for instance kirche-brensbach.de, sportzertifikate.at, unfallportal.de, diabetes-ratgeber.info and sportzertifikate.com.
rum-nu.de at least partially shares name servers with other domains, for instance dareifen.com, epn-cooperation.org, bote.es, delti.biz and media-daten.com.
these name servers are often used together with ns1.de.colt.net, xdns.delti.com, ns2.syzygy.de and ns0.lon.auth.colt.net.
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
Mail Servers
Two mail servers handle rum-nu.de: mail.rum-nu.de and mx.colt.net.
rum-nu.de shares some mail servers with other domains, at least partially, for instance jalex.de, unionpanagora.de, sisyphos.com, netbusiness-partner.com and ikme.biz.
these mail servers are often used together with smtp.coltintermail.com, cluster6.us.messagelabs.com, cluster6a.us.messagelabs.com, mail.net-con.net, mail.zooantwerpen.be, mx1.mail.psinet.be and mail.lung.ch.
Host names with one IP number:
mail.rum-nu.de points to 213.61.168.82
mx.colt.net points to 212.74.77.101