masterdisk.org - dns.ninja
masterdisk.org
| 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 ⚠️ Not in parent delegation | ||||||
| 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.czsupport@master.cz 2023-04-04 #2 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782692548 | ||||||
Same first word
masterdisk.cz |
masterdisk.net |
masterdisk.org |
masterdisk.ru |
masterdisk.co.il |
masterdisk.com |
masterdisk.com.br |
masterdisk.sk |
masterdisk.de |
Similar names
DNS History
8 records (4 active, 4 former)
○MXmail.master.cz2015-07-05 → 2026-02-16 · 4 obs
● 2026-02-16 10:53:22
○ 2026-02-18 08:13:30
○ 2026-06-29 00:38:08
○MXns3.master.cz2015-07-05 → 2026-02-16 · 4 obs
● 2026-02-16 10:53:22
○ 2026-02-18 08:13:30
○ 2026-06-29 00:38:08
○A81.31.33.202015-07-05 → 2017-03-09 · 4 obs
● 2017-03-09 06:24:26
○ 2020-01-16 14:43:30
○ 2026-06-29 00:38:08
●A81.31.45.1462026-02-16 → 2026-06-29 · 3 obs
● 2026-02-16 10:53:22
● 2026-06-29 00:38:08
○A89.185.246.702020-01-16 → 2020-01-16 · 4 obs
● 2020-01-16 14:43:30
○ 2026-02-16 10:53:22
○ 2026-06-29 00:38:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| masterdisk.org | ns1.master.cz, ns2.master.cz | - |
✅ Authoritative Response
Server:81.31.33.23
NS records: ns1.master.cz, ns2.master.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterdisk.org (unsigned zone)
⏱️ Timing
Total: 687ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.31.45.146 |
| NS | 3 | ns3.master.cz, ns2.master.cz... |
| SOA | 1 | ns1.master.cz support.master.cz |
Analysis
IP Addresses
masterdisk.org directs to one IP number, which is 81.31.45.146.
Among the host names that share IP numbers with masterdisk.org are static.rebelhost.cz, www.westmaster.com, masterdisk.sk and two others.
Name Servers
masterdisk.org is served by three name servers: ns1.master.cz, ns2.master.cz and ns3.master.cz.
At least some of masterdisk.org's name servers are shared with other domains, for example a.2.1.0.0.3.4.0.1.0.a.2.ip6.arpa, 204.93.77.in-addr.arpa, 255.185.89.in-addr.arpa and two more.
These name servers are routinely co-deployed with the name servers ns1.westmaster.com, ns2.westmaster.com, ns1.cloud4data.com and two others.
The hostnames ns1.master.cz, ns2.master.cz and ns3.master.cz each direct to two IP addresses — ns1.master.cz to 81.31.33.23 and 2a01:430:100:16::2, ns2.master.cz to 81.31.33.6 and 2a01:430:200:b::2, and ns3.master.cz to 82.209.3.134 and 2a00:ca8:8000::c0de.