computer911.de - dns.ninja
computer911.de
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=1785529555 | ||||||
Subdomains
mail.computer911.de |
Same first word
computer911.com |
computer911.de |
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-07-12 → 2026-07-31 · 2 obs
● 2026-07-31 20:57:02
●NScns2.alfahosting.info2015-07-12 → 2026-07-31 · 2 obs
● 2026-07-31 20:57:02
●NScns3.alfahosting.info2015-07-12 → 2026-07-31 · 2 obs
● 2026-07-31 20:57:02
○MXmail.computer911.de2015-07-12 → 2020-03-14 · 4 obs
● 2020-03-14 13:32:00
○ 2026-03-25 23:46:34
○ 2026-07-31 20:57:02
●MXmx03.secure-mailgate.com2026-03-25 → 2026-07-31 · 3 obs
● 2026-03-25 23:46:34
● 2026-07-31 20:57:02
●MXmx04.secure-mailgate.com2026-03-25 → 2026-07-31 · 3 obs
● 2026-03-25 23:46:34
● 2026-07-31 20:57:02
○A109.237.140.82015-07-12 → 2020-03-14 · 4 obs
● 2020-03-14 13:32:00
○ 2026-03-25 23:46:34
○ 2026-07-31 20:57:02
●A81.88.34.452026-03-25 → 2026-07-31 · 3 obs
● 2026-03-25 23:46:34
● 2026-07-31 20:57:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| computer911.de | cns1.alfahosting.info, cns3.alfahosting.info, cns2.alfahosting.info | - |
✅ Authoritative Response
Server:148.251.254.105
NS records: cns1.alfahosting.info, cns3.alfahosting.info, cns2.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for computer911.de (unsigned zone)
⏱️ Timing
Total: 2191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.45 |
| NS | 3 | cns2.alfahosting.info, cns3.alfahosting.info... |
| MX | 2 | mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:secure-mailgate.com |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
mail.computer911.de is delegated beneath computer911.de.
IP Addresses
computer911.de resolves to just one IP address, 81.88.34.45.
Two other host names, along with mail.sw-itec.com, mail.club-spb.de and tauch-schule.com, also share IP numbers with computer911.de.
Name Servers
computer911.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
There is at least partial name server overlap between computer911.de and other domains — glas-osman.de, cokoma.de, pfadfinder-summt.de and two more among them.
cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info each resolve to two IP addresses: cns1.alfahosting.info resolves to 109.237.142.8 and 2a01:64c0:0:5000::8; cns2.alfahosting.info resolves to 148.251.254.105 and 2a01:4f8:2b02:a88::105; cns3.alfahosting.info resolves to 109.237.143.8 and 2a02:2b80:101:5000::8.
Mail Servers
computer911.de is served by two mail servers, mx03.secure-mailgate.com and mx04.secure-mailgate.com.
Among the domains sharing a mail server setup with computer911.de are hoehenchalet-klippitz.com, otoons.de, merta.net and two others.
mx03.secure-mailgate.com and mx04.secure-mailgate.com each resolve to two IP addresses: mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176, while mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.