dfis.de - robtex.com
dfis.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.138.240🇩🇪 NMM-AS85.13.138.0/24 Neue Medien Muennich | ||||||
| PTR | dd17904.kasserver.com | ||||||
| NS | ns11.prosite.de ⭐ | ||||||
| A | 2a02:8b8:704::3011🇩🇪 SPEEDBONE-AS2a02:8b8::/32 IPv6 | ||||||
| A | 217.13.192.2🇩🇪 SPEEDBONE-AS217.13.192.0/20 SPEEDBONE GmbH | ||||||
| PTR | ns11.prosite.de | ||||||
| NS | ns12.prosite.de | ||||||
| A | 2a02:8b8:704::3012🇩🇪 SPEEDBONE-AS2a02:8b8::/32 IPv6 | ||||||
| A | 217.13.193.2🇩🇪 SPEEDBONE-AS217.13.192.0/20 SPEEDBONE GmbH | ||||||
| PTR | ns12.prosite.de | ||||||
| MX | w013f8e5.kasserver.com ⭐ | ||||||
| A | 85.13.140.213🇩🇪 NMM-AS85.13.140.0/24 Neue Medien Muennich | ||||||
| PTR | dd40214.kasserver.com | ||||||
| SOA | ns11.prosite.dehostmaster@dfis.de 2026-07-30 #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=1785629757 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns.stratoserver.net2015-07-16 → 2015-12-13 · 4 obs
● 2015-12-13 12:10:40
○ 2016-06-20 21:26:04
○ 2026-08-02 00:50:18
●NSns11.prosite.de2016-06-20 → 2026-08-02 · 3 obs
● 2016-06-20 21:26:04
● 2026-08-02 00:50:18
●NSns12.prosite.de2016-06-20 → 2026-08-02 · 3 obs
● 2016-06-20 21:26:04
● 2026-08-02 00:50:18
○NSns2.stratoserver.net2015-07-16 → 2015-12-13 · 4 obs
● 2015-12-13 12:10:40
○ 2016-06-20 21:26:04
○ 2026-08-02 00:50:18
○MXmail.dfis.de2015-07-16 → 2015-12-13 · 4 obs
● 2015-12-13 12:10:40
○ 2016-06-20 21:26:04
○ 2026-08-02 00:50:18
●MXw013f8e5.kasserver.com2016-06-20 → 2026-08-02 · 3 obs
● 2016-06-20 21:26:04
● 2026-08-02 00:50:18
○A85.13.133.2002016-06-20 → 2017-02-08 · 5 obs
● 2016-06-20 21:26:04
● 2017-02-08 03:10:22
○ 2020-03-31 08:58:32
○ 2026-08-02 00:50:18
●A85.13.138.2402020-03-31 → 2026-08-02 · 3 obs
● 2020-03-31 08:58:32
● 2026-08-02 00:50:18
○A85.214.86.2412015-07-16 → 2015-12-13 · 4 obs
● 2015-12-13 12:10:40
○ 2016-06-20 21:26:04
○ 2026-08-02 00:50:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| dfis.de | ns12.prosite.de, ns11.prosite.de | - |
✅ Authoritative Response
Server:217.13.193.2
NS records: ns12.prosite.de, ns11.prosite.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dfis.de (unsigned zone)
⏱️ Timing
Total: 1001ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.138.240 |
| NS | 2 | ns11.prosite.de, ns12.prosite.de |
| MX | 1 | w013f8e5.kasserver.com (pri: 10) |
| SOA | 1 | ns11.prosite.de hostmaster.dfis.de |
Analysis
IP Addresses
dfis.de has exactly one IP address — 85.13.138.240.
123-linux.de, europadermenschen.com, mail.123-linux.de plus two other host names have IP numbers in common with dfis.de.
Name Servers
dfis.de is delegated to two name servers: ns11.prosite.de and ns12.prosite.de.
The name server configuration of dfis.de is shared with other domains, for instance mass-traffic.de, peter-zangerle.com, bonn.org and two others.
There is at least partial name server overlap between dfis.de and other domains — printware-express.com, ankabut.net, schuhhaus-eikenbusch.de and two more among them.
These name servers frequently co-occur with the name servers ns11.worldserver.net and ns12.worldserver.net.
ns11.prosite.de and ns12.prosite.de each resolve to two IP addresses: ns11.prosite.de points to 217.13.192.2 and 2a02:8b8:704::3011, while ns12.prosite.de points to 217.13.193.2 and 2a02:8b8:704::3012.
Mail Servers
dfis.de uses one mail server — w013f8e5.kasserver.com.
w013f8e5.kasserver.com resolves to a single IP number: 85.13.140.213.