thirty3.de - robtex.com
thirty3.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.90🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host241.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 2026-02-10 #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=1773553752 | ||||||
Subdomains
mail.thirty3.de |
Same first word
thirty3.de |
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-08-16 → 2026-03-19 · 2 obs
● 2026-03-19 07:45:00
●NScns2.alfahosting.info2015-08-16 → 2026-03-19 · 2 obs
● 2026-03-19 07:45:00
●NScns3.alfahosting.info2015-08-16 → 2026-03-19 · 2 obs
● 2026-03-19 07:45:00
○MXmail.thirty3.de2015-08-16 → 2019-12-21 · 4 obs
● 2019-12-21 08:28:10
○ 2026-03-05 06:50:18
○ 2026-03-19 07:45:00
●MXmx03.secure-mailgate.com2026-03-05 → 2026-03-19 · 3 obs
● 2026-03-05 06:50:18
● 2026-03-19 07:45:00
●MXmx04.secure-mailgate.com2026-03-05 → 2026-03-19 · 3 obs
● 2026-03-05 06:50:18
● 2026-03-19 07:45:00
○A109.237.138.102015-08-16 → 2019-12-21 · 4 obs
● 2019-12-21 08:28:10
○ 2026-03-05 06:50:18
○ 2026-03-19 07:45:00
●A81.88.34.902026-03-05 → 2026-03-19 · 3 obs
● 2026-03-05 06:50:18
● 2026-03-19 07:45:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| thirty3.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 thirty3.de (unsigned zone)
⏱️ Timing
Total: 1650ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.90 |
| NS | 3 | cns2.alfahosting.info, cns3.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
thirty3.de is the parent of mail.thirty3.de.
IP Addresses
thirty3.de resolves to one IP number: 81.88.34.90.
other host names including handball-in-lamspringe.de, mail.diekrapfs.de, mail.prokinetic.eu, kathrin-heymann.de and mail.rohrbruch-wenzel.de share IP numbers with thirty3.de.
Name Servers
thirty3.de is delegated to three name servers cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
thirty3.de at least partially shares name servers with other domains, for instance appentwickeln.de, datenbeziehung.com, mozart-hat-den-blues.de, hewei-auerbach.de and mobilingo.de.
Host names with two IP numbers:
cns1.alfahosting.info points to: 2a01:64c0:0:5000::8 and 109.237.142.8.
cns2.alfahosting.info points to: 2a01:4f8:2b02:a88::105 and 148.251.254.105.
cns3.alfahosting.info points to: 2a02:2b80:101:5000::8 and 109.237.143.8.
Mail Servers
Two mail servers handle thirty3.de: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
thirty3.de shares the same mail server setup as other domains, for instance trammi.de, xn--grneerdehotel-xob.de, gehts-gar.net, spacestation.at and goergen.biz.
thirty3.de shares mail servers with other domains to some extent, for instance fulcrum-consulting.ro.
Host names with two IP numbers:
The host name mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176; the host name mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.