rfengineering.de - dns.ninja
rfengineering.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2003:2:2:15:80:150:6:143🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| PTR | tld.t-online.de | ||||||
| A | 80.150.6.143🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| NS | dns01-tld.t-online.de ⭐ | ||||||
| A | 2003:2:6:137:80:157:195:90🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| A | 80.157.195.90🇩🇪 DTAG80.157.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| NS | dns02-tld.t-online.de | ||||||
| A | 2003:180:a::1:53🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| PTR | dns02-tld.t-online.de | ||||||
| A | 212.185.24.9🇩🇪 DTAG212.184.0.0/15 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | dns02-tld.t-online.de | ||||||
| MX | smtp-01.tld.t-online.de ⭐ | ||||||
| A | 194.25.134.76🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | smtp-01.tld.t-online.de | ||||||
| MX | smtp-02.tld.t-online.de ⭐ | ||||||
| A | 194.25.134.12🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | smtp-02.tld.t-online.de | ||||||
| TXT | v=spf1 include:_spf.hier-im-netz.de ~all | ||||||
| SOA | dns01-tld.t-online.dedns@telekom.de 2024-05-14 #1 | ||||||
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=1782590232 | ||||||
Same first word
rfengineering.ca |
rfengineering.de |
rfengineering.co.in |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns01-tld.t-online.de2015-06-19 → 2026-06-27 · 2 obs
● 2026-06-27 20:11:18
●NSdns02-tld.t-online.de2015-06-19 → 2026-06-27 · 2 obs
● 2026-06-27 20:11:18
●MXsmtp-01.tld.t-online.de2015-06-19 → 2026-06-27 · 2 obs
● 2026-06-27 20:11:18
●MXsmtp-02.tld.t-online.de2015-06-19 → 2026-06-27 · 2 obs
● 2026-06-27 20:11:18
●A2003:2:2:15:80:150:6:1432015-06-19 → 2026-06-27 · 2 obs
● 2026-06-27 20:11:18
●A80.150.6.1432015-06-19 → 2026-06-27 · 2 obs
● 2026-06-27 20:11:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rfengineering.de | dns01-tld.t-online.de, dns02-tld.t-online.de | - |
✅ Authoritative Response
Server:80.157.195.90
NS records: dns01-tld.t-online.de, dns02-tld.t-online.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rfengineering.de (unsigned zone)
⏱️ Timing
Total: 1640ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.150.6.143 |
| AAAA | 1 | 2003:2:2:15:80:150:6:143 |
| NS | 2 | dns02-tld.t-online.de, dns01-tld.t-online.de |
| MX | 2 | smtp-01.tld.t-online.de (pri: 10), smtp-02.tld.t-online.de (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.hier-im-netz.de ~all |
| SOA | 1 | dns01-tld.t-online.de dns.telekom.de |
Analysis
IP Addresses
rfengineering.de points to the IP addresses 80.150.6.143 and 2003:2:2:15:80:150:6:143
Among the host names that share IP numbers with rfengineering.de are pfobs.de, strichco.de, clausjuergens.eu and two others.
Name Servers
rfengineering.de uses two name servers for its delegation: dns01-tld.t-online.de and dns02-tld.t-online.de.
rfengineering.de has the same name server delegation as a number of other domains, such as rurtalwerkstaetten.net, anna-ulrike-pfeiffer.de, wv-ingendoh.net and two more.
The two host names dns01-tld.t-online.de and dns02-tld.t-online.de each have a pair of IP addresses: dns01-tld.t-online.de has 80.157.195.90 and 2003:2:6:137:80:157:195:90, and dns02-tld.t-online.de has 212.185.24.9 and 2003:180:a::1:53.
Mail Servers
The MX records for rfengineering.de point to two mail servers: smtp-01.tld.t-online.de and smtp-02.tld.t-online.de.
rfengineering.de has the same mail server arrangement as a number of other domains, for example epicmusic.de, ecm-ing.com, mk-will.de and two more.
rfengineering.de overlaps on mail servers with certain other domains, a-beck.com among them.
Each of smtp-01.tld.t-online.de and smtp-02.tld.t-online.de has one IP address: smtp-01.tld.t-online.de uses 194.25.134.76 and smtp-02.tld.t-online.de uses 194.25.134.12.