btbm.de - robtex.com
btbm.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.199🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | hos(0x74313735).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 2026-01-13 #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=1784999584 | ||||||
Subdomains
mail.btbm.de |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-06-09 → 2026-07-25 · 2 obs
● 2026-07-25 17:39:18
●NScns2.alfahosting.info2015-06-09 → 2026-07-25 · 2 obs
● 2026-07-25 17:39:18
●NScns3.alfahosting.info2015-06-09 → 2026-07-25 · 2 obs
● 2026-07-25 17:39:18
○MXmail.btbm.de2015-06-09 → 2020-02-05 · 4 obs
● 2020-02-05 13:00:14
○ 2026-06-19 21:24:46
○ 2026-07-25 17:39:18
●MXmx03.secure-mailgate.com2026-06-19 → 2026-07-25 · 3 obs
● 2026-06-19 21:24:46
● 2026-07-25 17:39:18
●MXmx04.secure-mailgate.com2026-06-19 → 2026-07-25 · 3 obs
● 2026-06-19 21:24:46
● 2026-07-25 17:39:18
○A109.237.138.242015-06-09 → 2020-02-05 · 4 obs
● 2020-02-05 13:00:14
○ 2026-06-19 21:24:46
○ 2026-07-25 17:39:18
●A81.88.34.1992026-06-19 → 2026-07-25 · 3 obs
● 2026-06-19 21:24:46
● 2026-07-25 17:39:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| btbm.de | cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for btbm.de (unsigned zone)
⏱️ Timing
Total: 987ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.199 |
| NS | 3 | cns1.alfahosting.info, cns2.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
btbm.de serves as the parent of mail.btbm.de.
IP Addresses
btbm.de points to a single IP number: 81.88.34.199.
Additional host names — kidsstudien.de, mail.blumen-pavillon.de, mail.genevo.at and two others — share IP numbers with btbm.de.
Name Servers
btbm.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
btbm.de has at least partial name server overlap with other domains, such as diestempelecke.de, pittroff-keramik.de, lerchensteiner-hof.de and two others.
These name servers tend to appear together with the name servers ns10.alfahosting.info, ns8.alfahosting.info and ns9.alfahosting.info.
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
btbm.de has two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
btbm.de shares the same mail server setup as other domains, including hscomtel.de, bioroll.de, schedlinsky.name 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.