opal-holding.de - robtex.com
opal-holding.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.233.85.248🇩🇪 IPB91.233.84.0/22 -1blu-PI | ||||||
| PTR | www.opal-holding.de | ||||||
| NS | ns1.prodns.de ⭐ | ||||||
| A | 13.248.213.54🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a93aba133e46b51cd.awsglobalaccelerator.com | ||||||
| NS | ns2.prodns.de | ||||||
| A | 87.238.197.120🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK | ||||||
| PTR | 120.197.238.87.in-addr.arpa | ||||||
| NS | ns3.prodns.de | ||||||
| A | 136.243.102.23🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | 23.102.243.136.in-addr.arpa | ||||||
| MX | mail2.opal-holding.de ⭐ | ||||||
| A | 62.2.128.66🇨🇭 SUNRISE62.2.128.0/17 CH-SUNRISE sunrise / ex_UPC | ||||||
| PTR | 62-2-128-66.static.cablecom.ch | ||||||
| MX | mail.opal-holding.de(20) | ||||||
| A | 62.2.128.66🇨🇭 SUNRISE62.2.128.0/17 CH-SUNRISE sunrise / ex_UPC | ||||||
| PTR | 62-2-128-66.static.cablecom.ch | ||||||
| TXT | v=spf1 a mx ip4:91.233.84.0/22 ~all | ||||||
| SOA | ns1.prodns.dednsmaster@prodns.de 2017-03-28 #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=1786828288 | ||||||
Subdomains
Same first word
opal-holding.de |
DNS History
7 records (6 active, 1 former)
●MXmail.opal-holding.de2009-01-11 → 2026-08-15 · 2 obs
● 2026-08-15 21:37:36
●MXmail2.opal-holding.de2009-01-11 → 2026-08-15 · 2 obs
● 2026-08-15 21:37:36
○A64.33.53.2042009-01-11 → 2009-01-11 · 3 obs
○ 2015-05-09 23:56:30
○ 2026-08-15 21:37:36
●A91.233.85.2482015-05-09 → 2026-08-15 · 3 obs
● 2015-05-09 23:56:30
● 2026-08-15 21:37:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| opal-holding.de | ns3.prodns.de, ns2.prodns.de, ns1.prodns.de | 2 records |
✅ Authoritative Response
Server:13.248.213.54
NS records: ns3.prodns.de, ns2.prodns.de, ns1.prodns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opal-holding.de (unsigned zone)
⏱️ Timing
Total: 756ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.233.85.248 |
| NS | 3 | ns1.prodns.de, ns2.prodns.de... |
| MX | 2 | mail2.opal-holding.de (pri: 20), mail.opal-holding.de (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:91.233.84.0/22 ~all |
| SOA | 1 | ns1.prodns.de dnsmaster.prodns.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.prodns.de, ns1.prodns.de)
Analysis
Hierarchy
mail.opal-holding.de, mail2.opal-holding.de and www.opal-holding.de are all subdomains of opal-holding.de.
IP Addresses
opal-holding.de resolves to just one IP address, 91.233.85.248.
Other hosts including mobile-grafix.com, mobilegrafix.ch and www.opal-holding.de share IP addresses with opal-holding.de.
Name Servers
opal-holding.de has three name servers — ns1.prodns.de, ns2.prodns.de and ns3.prodns.de.
The name servers of opal-holding.de overlap at least partially with those of other domains — among them beautyspa.at, nrw-drohne.com, aussermontafon.at and two more.
The name servers ns2.prodns.eu, ns5.prodns.de, ns4.prodns.eu and two others are commonly seen in use alongside these name servers.
Each of the three hostnames points to exactly one IP address: ns1.prodns.de points to 13.248.213.54, ns2.prodns.de points to 87.238.197.120 and ns3.prodns.de points to 136.243.102.23.
Mail Servers
opal-holding.de is served by two mail servers, mail2.opal-holding.de and mail.opal-holding.de.
mail2.opal-holding.de and mail.opal-holding.de each point to one IP address — 62.2.128.66.
The host names mail2.opal-holding.de and mail.opal-holding.de both resolve to 62.2.128.66 IP addresses.