btc-training.com - robtex.com
btc-training.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:173:28d2::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | b1.l-m-f.net | ||||||
| A | 5.9.190.109🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| NS | b1.l-m-f.net ⭐ | ||||||
| A | 2a01:4f8:173:28d2::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | b1.l-m-f.net | ||||||
| A | 88.99.1.211🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | b1.l-m-f.net | ||||||
| NS | b2.l-m-f.net | ||||||
| A | 2a01:4f8:140:24d9::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | b2.l-m-f.net | ||||||
| A | 46.4.67.236🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | b2.l-m-f.net | ||||||
| MX | btc-training.com ⭐ | ||||||
| A | 2a01:4f8:173:28d2::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | b1.l-m-f.net | ||||||
| A | 5.9.190.109🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | b.l-m-f.net | ||||||
| TXT | v=spf1 include:b.l-m-f.net ~all | ||||||
| SOA | b1.l-m-f.netit@l-m-f.de 2025-11-22 #2 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
MX for
btc-training.com |
Same first word
btc-training.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSb1.l-m-f.net2026-03-19 → 2026-03-20 · 3 obs
● 2026-03-19 20:36:32
● 2026-03-20 08:35:44
●NSb2.l-m-f.net2026-03-19 → 2026-03-20 · 3 obs
● 2026-03-19 20:36:32
● 2026-03-20 08:35:44
○NSdocks14.rzone.de2015-06-09 → 2018-06-07 · 4 obs
● 2018-06-07 21:03:00
○ 2026-03-19 20:36:32
○ 2026-03-20 08:35:44
○NSshades09.rzone.de2015-06-09 → 2018-06-07 · 4 obs
● 2018-06-07 21:03:00
○ 2026-03-19 20:36:32
○ 2026-03-20 08:35:44
●MXbtc-training.com2026-03-19 → 2026-03-20 · 3 obs
● 2026-03-19 20:36:32
● 2026-03-20 08:35:44
○MXsmtp.rzone.de2015-06-09 → 2018-06-07 · 4 obs
● 2018-06-07 21:03:00
○ 2026-03-19 20:36:32
○ 2026-03-20 08:35:44
○A2a01:238:20a:202:1150::2015-06-09 → 2018-06-07 · 4 obs
● 2018-06-07 21:03:00
○ 2026-03-19 20:36:32
○ 2026-03-20 08:35:44
●A2a01:4f8:173:28d2::22026-03-19 → 2026-03-20 · 3 obs
● 2026-03-19 20:36:32
● 2026-03-20 08:35:44
●A5.9.190.1092026-03-19 → 2026-03-20 · 3 obs
● 2026-03-19 20:36:32
● 2026-03-20 08:35:44
○A81.169.145.1502015-06-09 → 2018-06-07 · 4 obs
● 2018-06-07 21:03:00
○ 2026-03-19 20:36:32
○ 2026-03-20 08:35:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| btc-training.com | b1.l-m-f.net, b2.l-m-f.net | - |
✅ Authoritative Response
Server: 46.4.67.236
NS records: b1.l-m-f.net, b2.l-m-f.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for btc-training.com (unsigned zone)
⏱️ Timing
Total: 4829ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.9.190.109 |
| AAAA | 1 | 2a01:4f8:173:28d2::2 |
| NS | 2 | b1.l-m-f.net, b2.l-m-f.net |
| MX | 1 | btc-training.com (pri: 10) |
| TXT | 1 | v=spf1 include:b.l-m-f.net ~all |
| SOA | 1 | b1.l-m-f.net it.l-m-f.de |
Analysis
Mail Server Role
btc-training.com serves as the mail server for btc-training.com.
IP Addresses
The entity btc-training.com points to two IP numbers: 2a01:4f8:173:28d2::2 and 5.9.190.109.
For instance, other host names zahnersatz-erfurt.de, zappelini.de, studio44ev.de, www.tierhaeuschen-nordhausen.de and panorama-museum.de share IP numbers with btc-training.com.
Name Servers
btc-training.com is delegated to two name servers: b1.l-m-f.net and b2.l-m-f.net.
btc-training.com uses the same name server setup as other domains such as mecklenburgisches-staatstheater.de, zappelini.de, studio44ev.de, panorama-museum.de and pro-vita-akademie.de.
Host names with two IP numbers:
b1.l-m-f.net points to 2a01:4f8:173:28d2::2 and 88.99.1.211; b2.l-m-f.net points to 2a01:4f8:140:24d9::2 and 46.4.67.236.
Mail Servers
btc-training.com is handled by a single mail server, btc-training.com.
btc-training.com resolves to two IPs: 2a01:4f8:173:28d2::2 and 5.9.190.109.