mail.blue-post.de - robtex.com
mail.blue-post.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 135.181.118.159🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC | ||||||
| PTR | antavi.de | ||||||
blue-post.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 135.181.118.159🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| NS | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| MX | mail.blue-post.de ⭐ | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-16 #0 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A135.181.118.1592026-02-19 → 2026-04-12 · 3 obs
○ 2016-07-03 18:19:44
● 2026-02-19 05:58:30
● 2026-04-12 10:32:54
● 2026-02-19 05:58:30
● 2026-04-12 10:32:54
○A136.243.8.2052015-05-19 → 2016-07-03 · 4 obs
● 2015-05-19 06:57:06
● 2016-07-03 18:19:44
○ 2026-02-19 05:58:30
○ 2026-04-12 10:32:54
● 2016-07-03 18:19:44
○ 2026-02-19 05:58:30
○ 2026-04-12 10:32:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| blue-post.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 blue-post.de (unsigned zone)
⏱️ Timing
Total: 973ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 135.181.118.159 |
Analysis
Mail Server Role
mail.blue-post.de handles mail for blue-post.de.
IP Addresses
mail.blue-post.de points to a single IP address: 135.181.118.159.
Other host names such as blue-post.de, mail.content-works.de, content-works.de, mail.planerd.de and kraeuterkenner.de share IPs with mail.blue-post.de.