science-computing.de - dns.ninja
science-computing.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.243.222.132🇩🇪 DTAG217.224.0.0/11 Deutsche Telekom AG, Internet service provider | ||||||
| NS | dns1.science-computing.de ⭐ | ||||||
| A | 217.243.222.138🇩🇪 DTAG217.224.0.0/11 Deutsche Telekom AG, Internet service provider | ||||||
| NS | dns1.belwue.de | ||||||
| A | 2001:7c0::53:10🇩🇪 BELWUE2001:7c0::/32 -V6 | ||||||
| PTR | dns1.belwue.de | ||||||
| A | 129.143.2.10🇩🇪 BELWUE129.143.0.0/16 | ||||||
| PTR | dns1.belwue.de | ||||||
| NS | dns2.science-computing.de | ||||||
| A | 217.243.222.139🇩🇪 DTAG217.224.0.0/11 Deutsche Telekom AG, Internet service provider | ||||||
| NS | dns3.belwue.de | ||||||
| A | 2001:7c0:0:253::133🇩🇪 BELWUE2001:7c0::/32 -V6 | ||||||
| PTR | dnsauth-st05.belwue.de | ||||||
| A | 129.143.253.133🇩🇪 BELWUE129.143.0.0/16 | ||||||
| PTR | dnsauth-st05.belwue.de | ||||||
| NS | dns3.science-computing.de | ||||||
| A | 62.96.26.182🇩🇪 COLT62.96.0.0/16 -DE | ||||||
| MX | mx1.science-computing.de ⭐ | ||||||
| A | 217.243.222.155🇩🇪 DTAG217.224.0.0/11 Deutsche Telekom AG, Internet service provider | ||||||
| MX | mx3.science-computing.de ⭐ | ||||||
| A | 217.243.222.154🇩🇪 DTAG217.224.0.0/11 Deutsche Telekom AG, Internet service provider | ||||||
| MX | mx4.science-computing.de ⭐ | ||||||
| A | 217.243.222.156🇩🇪 DTAG217.224.0.0/11 Deutsche Telekom AG, Internet service provider | ||||||
| TXT | B2Rp43GSkDCHQ134WM7UtWi9Gq4Svv9F | ||||||
| TXT | _globalsign-domain-verification=SSpLypfhKGKeZH0xtZmIhNeTBsEmQP7okTRA4TSvdG | ||||||
| TXT | v=spf1 mx ~all | ||||||
| TXT | have-i-been-pwned-verification=a362b105c96ef25fc64ebdbde18a0ff7 | ||||||
| TXT | JdrtrEUfUJrSegvfEi9gvpduFBYmHNWY | ||||||
| TXT | eeZ1LeMf94Ry9hFewKH9Fp8jYn3JwNnn | ||||||
| SOA | dns1.science-computing.dednsmaster@science-computing.de 2026-06-09 #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=1781427548 | ||||||
Subdomains
dns3.science-computing.de |
mx4.science-computing.de |
dns2.science-computing.de |
www.science-computing.de |
dns1.science-computing.de |
scmetrep.science-computing.de |
mx3.science-computing.de |
mx1.science-computing.de |
Same first word
science-computing.net |
science-computing.com |
science-computing.de |
DNS History
11 records (9 active, 2 former)
●NSdns1.science-computing.de2015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 09:05:28
●NSdns2.science-computing.de2015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 09:05:28
●NSdns3.science-computing.de2015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 09:05:28
●MXmx1.science-computing.de2015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 09:05:28
●MXmx3.science-computing.de2015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 09:05:28
●MXmx4.science-computing.de2015-08-06 → 2026-06-14 · 2 obs
● 2026-06-14 09:05:28
○A193.197.16.12015-08-06 → 2017-09-04 · 4 obs
● 2017-09-04 11:52:02
○ 2026-02-15 23:24:38
○ 2026-06-14 09:05:28
○A193.197.16.132015-08-06 → 2017-09-04 · 4 obs
● 2017-09-04 11:52:02
○ 2026-02-15 23:24:38
○ 2026-06-14 09:05:28
●A217.243.222.1322026-02-15 → 2026-06-14 · 3 obs
● 2026-02-15 23:24:38
● 2026-06-14 09:05:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| science-computing.de | dns2.science-computing.de, dns3.science-computing.de, dns1.science-computing.de, dns1.belwue.de... | 7 records |
✅ Authoritative Response
Server:217.243.222.138
NS records: dns2.science-computing.de, dns3.science-computing.de, dns1.science-computing.de, dns1.belwue.de, dns3.belwue.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for science-computing.de (unsigned zone)
⏱️ Timing
Total: 700ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.243.222.132 |
| NS | 5 | dns1.belwue.de, dns3.science-computing.de... |
| MX | 3 | mx4.science-computing.de (pri: 10), mx3.science-computing.de (pri: 10)... |
| TXT | 6 | JdrtrEUfUJrSegvfEi9gvpduFBYmHNWY, v=spf1 mx ~all... |
| SOA | 1 | dns1.science-computing.de dnsmaster.scie |
📌 Glue Records Collected
Total: 7
In-bailiwick: 3 (dns3.science-computing.de, dns2.science-computing.de, dns1.science-computing.de)
Out-of-bailiwick: 4 (dns3.belwue.de, dns1.belwue.de, dns3.belwue.de...)
Analysis
Hierarchy
The host names dns3.science-computing.de, mx4.science-computing.de, dns2.science-computing.de, www.science-computing.de and dns1.science-computing.de — among a few others — fall under the parent domain science-computing.de.
IP Addresses
science-computing.de resolves to just one IP address, 217.243.222.132.
Other host names, among them science-computing.com and www.science-computing.de, have IP numbers in common with science-computing.de.
Name Servers
science-computing.de delegates to five name servers: dns1.belwue.de, dns3.belwue.de, dns1.science-computing.de and two others.
At least some of science-computing.de's name servers are shared with other domains, for example 159.197.193.in-addr.arpa, cccf.de, pestalozzi-rs-fr.de and two more.
These name servers tend to co-occur with dns5.belwue.de, ns1.uni-hohenheim.de, ns2.uni-hohenheim.de and 7 other name servers in the same DNS delegations.
Host names that have two IP addresses:
dns1.belwue.de maps to two IP addresses — 129.143.2.10 and 2001:7c0::53:10.
dns3.belwue.de maps to two IP addresses — 129.143.253.133 and 2001:7c0:0:253::133.
Host names with one IP number:
dns1.science-computing.de points to the IP address 217.243.222.138.
dns2.science-computing.de points to the IP address 217.243.222.139.
dns3.science-computing.de points to the IP address 62.96.26.182.
Mail Servers
The MX records for science-computing.de list three mail servers: mx1.science-computing.de, mx3.science-computing.de and mx4.science-computing.de.
science-computing.de overlaps on mail servers with certain other domains, science-computing.com among them.
Three hostnames, one IP address apiece: mx1.science-computing.de resolves to 217.243.222.155, mx3.science-computing.de resolves to 217.243.222.154 and mx4.science-computing.de resolves to 217.243.222.156.