sofub.de - dns.ninja
sofub.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.47.253.134🇩🇪 CLOUDPIT31.47.240.0/20 | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | cns2.cloudpit.com | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | cns2.cloudpit.com | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| MX | mx03.secure-mailgate.com ⭐ | ||||||
| A | 46.243.95.104🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | minc01.secure-mailgate.com | ||||||
| A | 46.243.95.105🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | minc02.secure-mailgate.com | ||||||
| MX | mx04.secure-mailgate.com ⭐ | ||||||
| A | 46.243.95.106🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| A | 46.243.95.107🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2026-08-19 #2 | ||||||
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=1791605610 | ||||||
Subdomains
mail.sofub.de |
Same first word
Similar names
Previous names
Next names
DNS History
9 records (6 active, 3 former)
●NScns1.alfahosting.info2015-08-14 → 2026-10-10 · 2 obs
● 2026-10-10 04:18:10
●NScns2.alfahosting.info2015-08-14 → 2026-10-10 · 2 obs
● 2026-10-10 04:18:10
●NScns3.alfahosting.info2015-08-14 → 2026-10-10 · 2 obs
● 2026-10-10 04:18:10
○MXmail.sofub.de2015-08-14 → 2020-01-15 · 4 obs
● 2020-01-15 22:19:30
○ 2026-02-27 03:40:34
○ 2026-10-10 04:18:10
●MXmx03.secure-mailgate.com2026-02-27 → 2026-10-10 · 3 obs
● 2026-02-27 03:40:34
● 2026-10-10 04:18:10
●MXmx04.secure-mailgate.com2026-02-27 → 2026-10-10 · 3 obs
● 2026-02-27 03:40:34
● 2026-10-10 04:18:10
○A109.237.133.2062015-12-14 → 2020-01-15 · 5 obs
● 2015-12-14 08:15:52
● 2020-01-15 22:19:30
○ 2026-02-27 03:40:34
○ 2026-10-10 04:18:10
●A31.47.253.1342026-02-27 → 2026-10-10 · 3 obs
● 2026-02-27 03:40:34
● 2026-10-10 04:18:10
○A94.101.38.202015-08-14 → 2015-08-14 · 3 obs
○ 2015-12-14 08:15:52
○ 2026-10-10 04:18:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| sofub.de | cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.142.8
NS records: cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sofub.de (unsigned zone)
⏱️ Timing
Total: 1116ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.47.253.134 |
| NS | 3 | cns2.alfahosting.info, cns3.alfahosting.info... |
| MX | 2 | mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
sofub.de is the parent zone for mail.sofub.de.
IP Addresses
sofub.de points to a single IP number: 31.47.253.134.
Additional host names — mail.liebich.info, budbundi.de, emnoma.de and two others — share IP numbers with sofub.de.
Name Servers
sofub.de carries NS records delegating to cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
sofub.de partially shares its NS delegation with several other domains, including fe-weber-solutions.com, fotopub.de, igelstation-memmingen.de and two others.
cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info are three hostnames that each resolve to a pair of IP addresses: cns1.alfahosting.info to 109.237.142.8 and 2a01:64c0:0:5000::8, cns2.alfahosting.info to 148.251.254.105 and 2a01:4f8:2b02:a88::105, and cns3.alfahosting.info to 109.237.143.8 and 2a02:2b80:101:5000::8.
Mail Servers
sofub.de has two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
sofub.de shares the same mail server setup as other domains, including pure-powerlifting.de, laehns.ch, sibgmbh.de and two others.
mx03.secure-mailgate.com and mx04.secure-mailgate.com both carry two IP addresses. The A records for mx03.secure-mailgate.com are 46.243.95.104 and 46.243.95.105; the A records for mx04.secure-mailgate.com are 46.243.95.106 and 46.243.95.107.