a2-a3.de - robtex.com
a2-a3.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=1774747226 | ||||||
Same first word
DNS History
11 records (7 active, 4 former)
○MXmx4.work.de2015-08-10 → 2016-03-16 · 4 obs
● 2016-03-16 03:50:14
○ 2017-04-27 16:59:12
○ 2026-03-29 01:26:36
○MXmx5.work.de2015-08-10 → 2016-03-16 · 4 obs
● 2016-03-16 03:50:14
○ 2017-04-27 16:59:12
○ 2026-03-29 01:26:36
○MXmx6.work.de2015-08-10 → 2016-03-16 · 4 obs
● 2016-03-16 03:50:14
○ 2017-04-27 16:59:12
○ 2026-03-29 01:26:36
○A212.12.39.662015-08-10 → 2017-04-27 · 4 obs
● 2017-04-27 16:59:12
○ 2020-02-22 21:02:46
○ 2026-03-29 01:26:36
●A213.238.47.872020-02-22 → 2026-03-29 · 3 obs
● 2020-02-22 21:02:46
● 2026-03-29 01:26:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| a2-a3.de | ns.work.de, hulk.work.de | 4 records |
✅ Authoritative Response
Server:213.158.112.20
NS records: ns.work.de, hulk.work.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a2-a3.de (unsigned zone)
⏱️ Timing
Total: 660ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.238.47.87 |
| NS | 2 | hulk.work.de, ns.work.de |
| MX | 4 | mx3.work.de (pri: 10), mx2.work.de (pri: 10)... |
| SOA | 1 | ns.work.de hostmaster.work.de |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (hulk.work.de, ns.work.de, hulk.work.de...)
Analysis
IP Addresses
a2-a3.de points to IP number 213.238.47.87.
Name Servers
a2-a3.de is delegated to two name servers: hulk.work.de and ns.work.de.
a2-a3.de uses the same name server setup as other domains such as planetarium-hamburg.de, diplomarbeiten.de, ottohomeoffice.com, sternkieker.de and 1ajobs.de.
a2-a3.de shares name servers with other domains at least partially, for example das-schnelle.eu, gelbeseiten-dulsberg.com, gelbeseiten-kreis-dithmarschen.de, xn--gelbeseiten-fr-reisen-und-touristik-6wd.de and das-magazin-fuer-hamburg.com.
These name servers are commonly used with ns.duf.de.
Host names with two IP numbers:
hulk.work.de points to 2a00:12d0:1000:500::20 and 213.158.112.20; ns.work.de points to 2a00:ea8:200::35 and 212.12.32.174.
Mail Servers
a2-a3.de is handled by four mail servers: mailback.work.de, mx1.work.de, mx2.work.de and mx3.work.de.
a2-a3.de shares mail servers with other domains at least partially; for instance seofonie.de, nextum.biz, anchor-academic-publishing.de, gomrath.de and cosmedin.de.
These mail servers are often used alongside mx4.work.de, mx5.work.de, mx6.work.de and fallback.work.de.
Two IPs for a host: mx1.work.de points to 212.12.42.218 and 212.12.42.226.
One IP for a host: mailback.work.de points to 87.253.164.42.
Host mx2.work.de points to 212.12.42.226.
Host mx3.work.de points to 212.12.42.218.
Hosts pointing to 212.12.42.218: mx1.work.de and mx3.work.de.
Hosts pointing to 212.12.42.226: mx1.work.de and mx2.work.de.