opal-schule.de - robtex.com
opal-schule.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 134.109.239.141🇩🇪 DFN134.109.0.0/16 TU-CHEMNITZ | ||||||
| PTR | fin.hrz.tu-chemnitz.de | ||||||
| NS | ns81.domaincontrol.com ⭐ | ||||||
| A | 97.74.101.32🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns61.domaincontrol.com | ||||||
| NS | ns82.domaincontrol.com | ||||||
| A | 173.201.69.32🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns62.domaincontrol.com | ||||||
| MX | mxlb.ispgateway.de ⭐ | ||||||
| A | 80.67.18.126🇩🇪 GD-EMEA-DC-CGN180.67.16.0/20 GD MASS Network | ||||||
| PTR | mxlb.ispgateway.de | ||||||
| TXT | v=spf1 mx include:_spf.tu-chemnitz.de include:_spf.o155.mx.srv.dfn.de a inclu... | ||||||
| TXT | google-site-verification=9yb3xwQlMxXysVjou8_AmRx31mC11cmNyamQOdhH_is | ||||||
| SOA | ns81.domaincontrol.comdns@jomax.net 2025-11-20 #2 | ||||||
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=1778524459 | ||||||
Subdomains
www.opal-schule.de |
Same first word
opal-schule.de |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns81.domaincontrol.com2026-02-24 → 2026-05-11 · 2 obs
● 2026-05-11 18:56:28
●NSns82.domaincontrol.com2026-02-24 → 2026-05-11 · 2 obs
● 2026-05-11 18:56:28
●MXmxlb.ispgateway.de2026-02-24 → 2026-05-11 · 2 obs
● 2026-05-11 18:56:28
●A134.109.239.1412026-02-24 → 2026-05-11 · 2 obs
● 2026-05-11 18:56:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| opal-schule.de | ns81.domaincontrol.com, ns82.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.69.32
NS records: ns81.domaincontrol.com, ns82.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opal-schule.de (unsigned zone)
⏱️ Timing
Total: 615ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 134.109.239.141 |
| NS | 2 | ns81.domaincontrol.com, ns82.domaincontrol.com |
| MX | 1 | mxlb.ispgateway.de (pri: 100) |
| TXT | 2 | v=spf1 mx include:_spf.tu-chemnitz.de in, google-site-verification=9yb3xwQlMxXysVj |
| SOA | 1 | ns81.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
opal-schule.de is the parent of www.opal-schule.de.
IP Addresses
opal-schule.de resolves to one IP number: 134.109.239.141.
Other host names, for instance www.opal-schule.de, share IP numbers with opal-schule.de.
Name Servers
opal-schule.de is delegated to two name servers ns81.domaincontrol.com and ns82.domaincontrol.com.
opal-schule.de shares the same name server setup as other domains, for instance kinbox.com.br, volksfest-bayern.de, 4berliner.de, sabines-kinderwelt.de and unf-unf.de.
opal-schule.de at least partially shares name servers with other domains, for instance moreira.fr.
Host names with one IP number:
ns81.domaincontrol.com points to 97.74.101.32
ns82.domaincontrol.com points to 173.201.69.32
Mail Servers
opal-schule.de is handled by a single mail server, mxlb.ispgateway.de.
opal-schule.de shares the same mail server setup as other domains, for instance ksh3.de, hostmaster.kommunaldirekt.de, mailout.favum.com, musikfest-aitrach.de and www.awvk.at.
opal-schule.de shares some mail servers with other domains, at least partially, for example mail.mediqm.de and goecke.at.
mxlb.ispgateway.de resolves to IP 80.67.18.126.