mail.btsit.de - robtex.com
mail.btsit.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.233.87.21🇩🇪 IPB91.233.84.0/22 -1blu-PI | ||||||
| PTR | mx1bln1.prossl.de | ||||||
btsit.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.233.84.143🇩🇪 IPB91.233.84.0/22 -1blu-PI | ||||||
| NS | ns1.prodns.de ⭐ | ||||||
| NS | ns2.prodns.eu | ||||||
| NS | ns3.prodns.de | ||||||
| NS | ns4.prodns.eu | ||||||
| NS | ns5.prodns.de | ||||||
| MX | mail.btsit.de ⭐ | ||||||
| TXT | v=spf1 a mx ip4:91.233.84.0/22 ~all | ||||||
| SOA | ns1.prodns.dednsmaster@prodns.de 2021-01-28 #1 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A91.233.87.212026-03-24 → 2026-08-14 · 2 obs
● 2026-03-24 22:30:34
● 2026-08-14 03:57:38
● 2026-08-14 03:57:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| btsit.de | ns4.prodns.eu, ns2.prodns.eu, ns5.prodns.de, ns1.prodns.de... | 3 records |
✅ Authoritative Response
Server:5.161.87.123
NS records: ns4.prodns.eu, ns2.prodns.eu, ns5.prodns.de, ns1.prodns.de, ns3.prodns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for btsit.de (unsigned zone)
⏱️ Timing
Total: 862ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.233.87.21 |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns5.prodns.de, ns3.prodns.de, ns1.prodns.de)
Analysis
Mail Server Role
btsit.de uses mail.btsit.de as a mail server.
IP Addresses
mail.btsit.de resolves to one IP address: 91.233.87.21.
mail.dieter-schomann.de, mail.pensionwoehler.de, mail.holy4hill.de and two other host names share IP numbers with mail.btsit.de.