alfasystem.de - robtex.com
alfasystem.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=1784392975 | ||||||
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NSns1.first-ns.de2020-02-22 → 2026-07-18 · 3 obs
● 2020-02-22 17:04:02
● 2026-07-18 17:11:44
○NSns1.sedoparking.com2015-07-21 → 2017-03-30 · 4 obs
● 2017-03-30 21:50:16
○ 2020-02-22 17:04:02
○ 2026-07-18 17:11:44
○NSns2.sedoparking.com2015-07-21 → 2017-03-30 · 4 obs
● 2017-03-30 21:50:16
○ 2020-02-22 17:04:02
○ 2026-07-18 17:11:44
●NSrobotns2.second-ns.de2020-02-22 → 2026-07-18 · 3 obs
● 2020-02-22 17:04:02
● 2026-07-18 17:11:44
●NSrobotns3.second-ns.com2020-02-22 → 2026-07-18 · 3 obs
● 2020-02-22 17:04:02
● 2026-07-18 17:11:44
○MXlocalhost2017-03-30 → 2017-03-30 · 4 obs
● 2017-03-30 21:50:16
○ 2020-02-22 17:04:02
○ 2026-07-18 17:11:44
○MXmail.alfasystem.de2020-02-22 → 2020-02-22 · 4 obs
● 2020-02-22 17:04:02
○ 2026-06-25 18:33:38
○ 2026-07-18 17:11:44
○MXmail.nickstel.com2015-07-21 → 2016-07-16 · 4 obs
● 2016-07-16 14:43:24
○ 2017-03-30 21:50:16
○ 2026-07-18 17:11:44
●MXmail.protonmail.ch2026-06-25 → 2026-07-18 · 3 obs
● 2026-06-25 18:33:38
● 2026-07-18 17:11:44
●MXmailsec.protonmail.ch2026-06-25 → 2026-07-18 · 3 obs
● 2026-06-25 18:33:38
● 2026-07-18 17:11:44
●A116.203.43.2152020-02-22 → 2026-07-18 · 3 obs
● 2020-02-22 17:04:02
● 2026-07-18 17:11:44
○A72.52.4.1222017-03-30 → 2017-03-30 · 4 obs
● 2017-03-30 21:50:16
○ 2020-02-22 17:04:02
○ 2026-07-18 17:11:44
○A72.52.4.912015-07-21 → 2016-07-16 · 4 obs
● 2016-07-16 14:43:24
○ 2017-03-30 21:50:16
○ 2026-07-18 17:11:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| alfasystem.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alfasystem.de (unsigned zone)
⏱️ Timing
Total: 3259ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.203.43.215 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=16a4ffa2a7310b69 |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
IP Addresses
alfasystem.de has exactly one IP address — 116.203.43.215.
Host names such as alpha-system.de, alfa-system.de and mail.alfa-system.de share their IP numbers with alfasystem.de.
Name Servers
alfasystem.de carries NS records delegating to robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
The name servers of alfasystem.de overlap at least partially with those of other domains — among them astrolive.de, saferprint.eu, fs-haas.de and two more.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de are three hostnames that each resolve to a pair of IP addresses: robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
alfasystem.de uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.
The mail server setup of alfasystem.de matches that of other domains such as sidebreak.com, jenshartmannadvisory.com, datiti.com and two others.
At least some of the mail servers used by alfasystem.de are shared with other domains: justvps.com, zharr.is, probeinternational.org and two others among them.
Both mail.protonmail.ch and mailsec.protonmail.ch point to three IP numbers: mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128, while mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.