dualerstudent.de - robtex.com
dualerstudent.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.144.99.143🇩🇪 VODANET212.144.0.0/16 Mannesmann o.tel.o GmbH & Co Germany | ||||||
| NS | ns1.org-ns.com ⭐ | ||||||
| A | 62.108.32.9🇩🇪 COMTRANCE-AS62.108.32.0/20 comtrance GmbH | ||||||
| PTR | nameserver.org-dns.com | ||||||
| NS | ns2.org-ns.com | ||||||
| A | 89.107.70.9🇩🇪 COMTRANCE-AS89.107.64.0/21 comtrance GmbH | ||||||
| PTR | ns2.org-ns.com | ||||||
| MX | mail.dualerstudent.de ⭐ | ||||||
| A | 212.144.99.143🇩🇪 VODANET212.144.0.0/16 Mannesmann o.tel.o GmbH & Co Germany | ||||||
| TXT | v=spf1 a mx include:spf-a.org-dns.com ~all | ||||||
| TXT | 265b4895dc7ccf6645728e880f7f4e5e9a651ed6 | ||||||
| SOA | ns1.org-ns.comhostmaster@dualerstudent.de 2022-08-29 #0 | ||||||
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=1774846958 | ||||||
Subdomains
mail.dualerstudent.de |
Same first word
dualerstudent.de |
DNS History
12 records (4 active, 8 former)
○NSns-de.1and1-dns.biz2015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
○NSns-de.1and1-dns.com2015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
○NSns-de.1and1-dns.de2015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
○NSns-de.1and1-dns.org2015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
●NSns1.org-ns.com2016-09-10 → 2026-03-30 · 3 obs
● 2016-09-10 05:20:44
● 2026-03-30 05:06:02
●NSns2.org-ns.com2016-09-10 → 2026-03-30 · 3 obs
● 2016-09-10 05:20:44
● 2026-03-30 05:06:02
●MXmail.dualerstudent.de2016-09-10 → 2026-03-30 · 3 obs
● 2016-09-10 05:20:44
● 2026-03-30 05:06:02
○MXmx00.kundenserver.de2015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
○MXmx01.kundenserver.de2015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
○A2001:8d8:1000:a0a5:2f5f:9c89:2541:c8042015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
●A212.144.99.1432016-09-10 → 2026-03-30 · 3 obs
● 2016-09-10 05:20:44
● 2026-03-30 05:06:02
○A82.165.215.282015-06-24 → 2016-04-09 · 4 obs
● 2016-04-09 21:58:04
○ 2016-09-10 05:20:44
○ 2026-03-30 05:06:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| dualerstudent.de | ns2.org-ns.com, ns1.org-ns.com | - |
✅ Authoritative Response
Server:62.108.32.9
NS records: ns2.org-ns.com, ns1.org-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dualerstudent.de (unsigned zone)
⏱️ Timing
Total: 1274ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.144.99.143 |
| NS | 2 | ns2.org-ns.com, ns1.org-ns.com |
| MX | 1 | mail.dualerstudent.de (pri: 10) |
| TXT | 2 | v=spf1 a mx include:spf-a.org-dns.com ~a, 265b4895dc7ccf6645728e880f7f4e5e9a651ed6 |
| SOA | 1 | ns1.org-ns.com hostmaster.dualerstudent. |
Analysis
Hierarchy
The parent of mail.dualerstudent.de is dualerstudent.de.
IP Addresses
dualerstudent.de points to a single IP address: 212.144.99.143.
Other host names such as fastimmo.de, transgenial.com, aciknokta.com, mail.drehstecker.at and vatoslocos.eu share IPs with dualerstudent.de.
Name Servers
Two name servers ns1.org-ns.com and ns2.org-ns.com handle the delegation for dualerstudent.de.
dualerstudent.de shares the same name server setup as other domains, for example serviteur.de, global-tea.com, gasthaus-grubwinkler.de, flexmatic.de and bablo.de.
Host names with one IP number:
ns1.org-ns.com points to 62.108.32.9; ns2.org-ns.com points to 89.107.70.9.
Mail Servers
The mail.dualerstudent.de mail server handles dualerstudent.de.
mail.dualerstudent.de points to a single IP number: 212.144.99.143.