olafstudio.cz - robtex.com
olafstudio.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.132.182.78🇨🇿 NGN-CZ85.132.180.0/22 | ||||||
| PTR | blue.redwire.cz | ||||||
| NS | black.redwire.cz ⭐ | ||||||
| A | 85.132.182.77🇨🇿 NGN-CZ85.132.180.0/22 | ||||||
| PTR | black.redwire.cz | ||||||
| NS | blue.redwire.cz | ||||||
| A | 85.132.182.78🇨🇿 NGN-CZ85.132.180.0/22 | ||||||
| PTR | blue.redwire.cz | ||||||
| NS | green.redwire.cz ⚠️ Not in zone NS records | ||||||
| A | 194.163.191.136🇩🇪 CONTABO194.163.128.0/18 | ||||||
| PTR | vmi2870921.contaboserver.net | ||||||
| MX | blue.redwire.cz ⭐ | ||||||
| A | 85.132.182.78🇨🇿 NGN-CZ85.132.180.0/22 | ||||||
| PTR | blue.redwire.cz | ||||||
| MX | black.redwire.cz(20) | ||||||
| A | 85.132.182.77🇨🇿 NGN-CZ85.132.180.0/22 | ||||||
| PTR | black.redwire.cz | ||||||
| MX | green.redwire.cz(30) | ||||||
| A | 194.163.191.136🇩🇪 CONTABO194.163.128.0/18 | ||||||
| PTR | vmi2870921.contaboserver.net | ||||||
| TXT | v=spf1 include:_spf.redwire.cz ~all | ||||||
| SOA | black.redwire.czsysadmin@redwire.cz 2025-08-01 #3 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1786171643 | ||||||
Same first word
olafstudio.cz |
Similar names
DNS History
8 records (7 active, 1 former)
●NSblack.redwire.cz2018-05-07 → 2026-08-08 · 2 obs
● 2026-08-08 07:41:06
●NSblue.redwire.cz2018-05-07 → 2026-08-08 · 2 obs
● 2026-08-08 07:41:06
●NSgreen.redwire.cz2026-03-18 → 2026-08-08 · 3 obs
● 2026-03-18 00:23:40
● 2026-08-08 07:41:06
●MXblack.redwire.cz2018-05-07 → 2026-08-08 · 2 obs
● 2026-08-08 07:41:06
●MXblue.redwire.cz2018-05-07 → 2026-08-08 · 2 obs
● 2026-08-08 07:41:06
●MXgreen.redwire.cz2026-05-13 → 2026-08-08 · 3 obs
● 2026-05-13 20:20:24
● 2026-08-08 07:41:06
●A85.132.182.782026-03-18 → 2026-08-08 · 5 obs
● 2026-03-18 00:23:40
● 2026-05-13 20:20:24
○ 2026-05-25 15:56:52
● 2026-08-08 07:41:06
○A94.23.174.72018-05-07 → 2018-05-07 · 3 obs
○ 2026-03-18 00:23:40
○ 2026-08-08 07:41:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | 8 records |
| olafstudio.cz | blue.redwire.cz, black.redwire.cz, green.redwire.cz | - |
✅ Authoritative Response
Server:85.132.182.77
NS records: blue.redwire.cz, black.redwire.cz, green.redwire.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for olafstudio.cz (unsigned zone)
⏱️ Timing
Total: 851ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.132.182.78 |
| NS | 2 | black.redwire.cz, blue.redwire.cz |
| MX | 3 | blue.redwire.cz (pri: 10), green.redwire.cz (pri: 30)... |
| TXT | 1 | v=spf1 include:_spf.redwire.cz ~all |
| SOA | 1 | black.redwire.cz sysadmin.redwire.cz |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Analysis
IP Addresses
olafstudio.cz directs to one IP number, which is 85.132.182.78.
Among the host names that share IP numbers with olafstudio.cz are blue.redwire.cz, sps-sn.cz, sps-sro.cz and two others.
Name Servers
olafstudio.cz is served by three name servers: black.redwire.cz, blue.redwire.cz and green.redwire.cz.
There is at least partial name server overlap between olafstudio.cz and other domains — msoukup.cz, sps-sn.cz, sps-sro.cz and two more among them.
black.redwire.cz has IP address 85.132.182.77, blue.redwire.cz has IP address 85.132.182.78 and green.redwire.cz has IP address 194.163.191.136 — one address each.
Mail Servers
Incoming mail for olafstudio.cz is delivered via three mail servers: black.redwire.cz, blue.redwire.cz and green.redwire.cz.
Some mail servers of olafstudio.cz are also used by other domains, notably redwire.cz and dbh.cz.
These mail servers are routinely seen in conjunction with the mail servers grey.redwire.cz and blue.redwire.info.