rf52.de - robtex.com
rf52.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.137.79🇩🇪 NMM-AS85.13.137.0/24 Neue Medien Muennich | ||||||
| PTR | dd16306.kasserver.com | ||||||
| NS | ns3.kasserver.com ⭐ | ||||||
| A | 85.13.128.2🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich | ||||||
| PTR | ns3.kasserver.com | ||||||
| NS | ns4.kasserver.com | ||||||
| A | 85.13.140.2🇩🇪 NMM-AS85.13.140.0/24 Neue Medien Muennich | ||||||
| PTR | ns4.kasserver.com | ||||||
| MX | rfvince.kasserver.com ⭐ | ||||||
| A | 85.13.137.79🇩🇪 NMM-AS85.13.137.0/24 Neue Medien Muennich | ||||||
| PTR | dd16306.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns3.kasserver.comhostmaster@kasserver.com serial=2602191245 | ||||||
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=1774685613 | ||||||
Subdomains
mail.rf52.de |
Same first word
rf52.de |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns3.kasserver.com2015-08-19 → 2026-03-28 · 2 obs
● 2026-03-28 08:15:28
●NSns4.kasserver.com2015-08-19 → 2026-03-28 · 2 obs
● 2026-03-28 08:15:28
○MXmail.rf52.de2015-08-19 → 2016-04-03 · 4 obs
● 2016-04-03 20:20:36
○ 2016-12-05 04:39:24
○ 2026-03-28 08:15:28
●MXrfvince.kasserver.com2016-12-05 → 2026-03-28 · 3 obs
● 2016-12-05 04:39:24
● 2026-03-28 08:15:28
●A85.13.137.792016-12-05 → 2026-03-28 · 3 obs
● 2016-12-05 04:39:24
● 2026-03-28 08:15:28
○A85.13.139.1622015-08-19 → 2016-04-03 · 4 obs
● 2016-04-03 20:20:36
○ 2016-12-05 04:39:24
○ 2026-03-28 08:15:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rf52.de | ns3.kasserver.com, ns4.kasserver.com | - |
✅ Authoritative Response
Server:85.13.140.2
NS records: ns3.kasserver.com, ns4.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rf52.de (unsigned zone)
⏱️ Timing
Total: 1113ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.137.79 |
| NS | 2 | ns4.kasserver.com, ns3.kasserver.com |
| MX | 1 | rfvince.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns3.kasserver.com hostmaster.kasserver.c |
Analysis
Hierarchy
The parent of mail.rf52.de is rf52.de.
IP Addresses
rf52.de points to a single IP number: 85.13.137.79.
Other host names, for instance mail.nasen-op.at, gartensaunablog.com, mail.gertysedlmayr.at, mail.energie-k.com and w018ca98.kasserver.com share IP numbers with rf52.de.
Name Servers
rf52.de is delegated to two name servers: ns3.kasserver.com and ns4.kasserver.com.
rf52.de uses the same name server setup as other domains, for instance germancoin.de, anblick.org, krieschow.de, kunstunddenker.com and der-islam.de.
rf52.de shares name servers with other domains at least partially, for instance sdzecom.com and flattersatz.at.
these name servers are often used together with the name servers ns5.kasserver.com.
Host names with one IP number:
ns3.kasserver.com points to: 85.13.128.2.
ns4.kasserver.com points to: 85.13.140.2.
Mail Servers
The mail server for rf52.de is rfvince.kasserver.com.
Host name rfvince.kasserver.com resolves to IP 85.13.137.79.