porta-mail.de - robtex.com
porta-mail.de
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=1784731052 | ||||||
Subdomains
mx.porta-mail.de |
Same first word
porta-mail.de |
Similar names
DNS History
6 records (6 active, 0 former)
●NShelium.ns.hetzner.de2026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 14:45:48
●NShydrogen.ns.hetzner.com2026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 14:45:48
●NSoxygen.ns.hetzner.com2026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 14:45:48
●MXmx.porta-mail.de2026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 14:45:48
●A2a01:4f8:10a:2b47::32026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 14:45:48
●A88.99.147.522026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 14:45:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| porta-mail.de | hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com | - |
✅ Authoritative Response
Server:213.133.100.98
NS records: hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for porta-mail.de (unsigned zone)
⏱️ Timing
Total: 1159ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.147.52 |
| AAAA | 1 | 2a01:4f8:10a:2b47::3 |
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| MX | 1 | mx.porta-mail.de (pri: 10) |
| TXT | 2 | v=spf1 +a +mx +a:mx.porta-mail.de +ip4:1, v=spf1 +a:mx.porta-mail.de +ip4:88.99.14 |
| SOA | 1 | hydrogen.ns.hetzner.com kullik.forum-4.d |
Analysis
Hierarchy
The domain mx.porta-mail.de falls under the parent porta-mail.de.
IP Addresses
porta-mail.de has two IP addresses: 88.99.147.52 and 2a01:4f8:10a:2b47::3
Among others, forum-4.de, kullik.nrw, forum-4.net and mx.porta-mail.de resolve to the same IP numbers as porta-mail.de.
Name Servers
The authoritative name servers for porta-mail.de are hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de — three in total.
At least some of porta-mail.de's name servers are shared with other domains, for example t0.ro, hochundquerformat.at, rasher.dk and two more.
These name servers tend to be used in conjunction with the name servers ns1.first-ns.de.
hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de all resolve to exactly two IP numbers apiece: hydrogen.ns.hetzner.com → 213.133.100.98 and 2a01:4f8:0:1::add:1098; oxygen.ns.hetzner.com → 88.198.229.192 and 2a01:4f8:0:1::add:2992; helium.ns.hetzner.de → 193.47.99.5 and 2001:67c:192c::add:5.
Mail Servers
porta-mail.de has one mail server: mx.porta-mail.de.
porta-mail.de, forum-4.de and mx.porta-mail.de all share the same mail server setup.
mx.porta-mail.de directs to 88.99.147.26, 88.99.147.52 and 2a01:4f8:10a:2b47::3 — three IP numbers in total.