masterdc.de - dns.ninja
masterdc.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.31.45.146🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1 | ||||||
| PTR | 81-31-45-146.static.masterinter.net | ||||||
| NS | ns1.master.cz ⭐ | ||||||
| A | 2a01:430:100:16::2🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | ns1.master.cz | ||||||
| A | 81.31.33.23🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1 | ||||||
| PTR | ns1.master.cz | ||||||
| NS | ns2.master.cz | ||||||
| A | 2a01:430:200:b::2🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | ns2.master.cz | ||||||
| A | 81.31.33.6🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1 | ||||||
| PTR | ns2.master.cz | ||||||
| NS | ns3.master.cz | ||||||
| A | 2a00:ca8:8000::c0de🇨🇿 PODA-AS2a00:ca8::/32 PODA a.s. | ||||||
| PTR | ns3.master.cz | ||||||
| A | 82.209.3.134🇨🇿 PODA-AS82.209.0.0/18 PODA-NET | ||||||
| PTR | ns3.master.cz | ||||||
| MX | mail.master.cz ⭐ | ||||||
| A | 2a01:430:100:5c::2🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | mail.master.cz | ||||||
| A | 81.31.43.64🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1 | ||||||
| PTR | mail.master.cz | ||||||
| MX | ns3.master.cz(25) | ||||||
| A | 2a00:ca8:8000::c0de🇨🇿 PODA-AS2a00:ca8::/32 PODA a.s. | ||||||
| PTR | ns3.master.cz | ||||||
| A | 82.209.3.134🇨🇿 PODA-AS82.209.0.0/18 PODA-NET | ||||||
| PTR | ns3.master.cz | ||||||
| SOA | ns1.master.cznoc@master.cz 2023-04-04 #3 | ||||||
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=1782587957 | ||||||
Same first word
masterdc.pl |
masterdc.ru |
masterdc.at |
masterdc.co.uk |
masterdc.eu |
masterdc.com |
masterdc.cz |
masterdc.sk |
masterdc.de |
masterdc.org |
masterdc.info |
Similar names
DNS History
7 records (6 active, 1 former)
○A81.31.33.202015-08-15 → 2020-10-11 · 4 obs
● 2020-10-11 05:47:28
○ 2026-02-16 10:53:22
○ 2026-06-27 19:42:18
●A81.31.45.1462026-02-16 → 2026-06-27 · 3 obs
● 2026-02-16 10:53:22
● 2026-06-27 19:42:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| masterdc.de | ns1.master.cz, ns2.master.cz, ns3.master.cz | - |
✅ Authoritative Response
Server:82.209.3.134
NS records: ns1.master.cz, ns2.master.cz, ns3.master.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterdc.de (unsigned zone)
⏱️ Timing
Total: 1107ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.31.45.146 |
| NS | 3 | ns1.master.cz, ns2.master.cz... |
| MX | 2 | mail.master.cz (pri: 10), ns3.master.cz (pri: 25) |
| SOA | 1 | ns1.master.cz noc.master.cz |
Analysis
IP Addresses
masterdc.de points to a single IP number: 81.31.45.146.
Additional host names — mastercloud.sk, rackspace.cz, cloud4data.com and two others — share IP numbers with masterdc.de.
Name Servers
masterdc.de is delegated to three name servers: ns1.master.cz, ns2.master.cz and ns3.master.cz.
The name servers of masterdc.de overlap at least partially with those of other domains — among them 254.167.83.in-addr.arpa, 207.93.77.in-addr.arpa, 215.93.77.in-addr.arpa and two more.
These name servers are frequently paired with the name servers ns1.westmaster.com, ns2.westmaster.com, ns1.cloud4data.com and two others.
ns1.master.cz, ns2.master.cz and ns3.master.cz each resolve to two IP addresses: ns1.master.cz resolves to 81.31.33.23 and 2a01:430:100:16::2; ns2.master.cz resolves to 81.31.33.6 and 2a01:430:200:b::2; ns3.master.cz resolves to 82.209.3.134 and 2a00:ca8:8000::c0de.
Mail Servers
masterdc.de has two mail servers: mail.master.cz and ns3.master.cz.
masterdc.de shares the same mail server setup as other domains, including mastercloud.pl, westmaster.sg, westmaster.com and two others.
masterdc.de shares mail servers — at least in part — with other domains, including flashpartners.eu, jm-montaze.cz, palackodanska.cz and two others.
The mail servers d723.masterinter.net and webhosting.masterinter.net are commonly paired with these mail servers.
Host names with two IP numbers:
mail.master.cz points to 81.31.43.64 and 2a01:430:100:5c::2.