seilon.de - dns.ninja
seilon.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.192🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host171.alfahosting-server.de | ||||||
| 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 | 46.243.88.174🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.176🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| MX | mx04.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.175🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.177🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2026-01-12 #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=1782676767 | ||||||
Subdomains
mail.seilon.de |
Same first word
seilon.de |
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 20:12:16
●NScns2.alfahosting.info2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 20:12:16
●NScns3.alfahosting.info2015-07-24 → 2026-06-28 · 2 obs
● 2026-06-28 20:12:16
○MXmail.seilon.de2015-07-24 → 2020-02-19 · 4 obs
● 2020-02-19 18:41:20
○ 2026-04-14 02:50:42
○ 2026-06-28 20:12:16
●MXmx03.secure-mailgate.com2026-04-14 → 2026-06-28 · 3 obs
● 2026-04-14 02:50:42
● 2026-06-28 20:12:16
●MXmx04.secure-mailgate.com2026-04-14 → 2026-06-28 · 3 obs
● 2026-04-14 02:50:42
● 2026-06-28 20:12:16
○A109.237.140.202015-07-24 → 2020-02-19 · 4 obs
● 2020-02-19 18:41:20
○ 2026-04-14 02:50:42
○ 2026-06-28 20:12:16
●A81.88.34.1922026-04-14 → 2026-06-28 · 3 obs
● 2026-04-14 02:50:42
● 2026-06-28 20:12:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| seilon.de | cns2.alfahosting.info, cns1.alfahosting.info, cns3.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns2.alfahosting.info, cns1.alfahosting.info, cns3.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seilon.de (unsigned zone)
⏱️ Timing
Total: 945ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.192 |
| NS | 3 | cns2.alfahosting.info, cns1.alfahosting.info... |
| MX | 2 | mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
The domain mail.seilon.de falls under the parent seilon.de.
IP Addresses
seilon.de resolves to one IP address: 81.88.34.192.
tsvregen-turnen.de, mail.ucp-berlin.de, mail.dromann.de and two other host names share IP numbers with seilon.de.
Name Servers
seilon.de carries NS records delegating to cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
At least some of seilon.de's name servers are shared with other domains, for example andreas-klemm.de, youthily.de, art-of-larp.de and two more.
These name servers tend to be used in conjunction with the name servers ns8.alfahosting.info.
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
Mail for seilon.de is handled by two mail servers — mx03.secure-mailgate.com and mx04.secure-mailgate.com.
seilon.de uses an identical mail server configuration to several other domains — among them syspraxhi.de, hgtc.at, belak.at and two more.
seilon.de overlaps on mail servers with certain other domains, bierpong.net among them.
mx03.secure-mailgate.com and mx04.secure-mailgate.com both carry two IP addresses. The A records for mx03.secure-mailgate.com are 46.243.88.174 and 46.243.88.176; the A records for mx04.secure-mailgate.com are 46.243.88.175 and 46.243.88.177.