doubek.org - robtex.com
doubek.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:28:ca:112::1:887🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | aeu06.vas-server.cz | ||||||
| A | 37.235.104.39🇨🇿 SuperNetwork37.235.96.0/20 s.r.o. | ||||||
| NS | ns.vas-hosting.cz ⭐ | ||||||
| A | 2a01:28:ca:112::1:4🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | ns.vas-hosting.cz | ||||||
| A | 95.168.209.105🇨🇿 SuperNetwork95.168.192.0/19 s.r.o. | ||||||
| NS | ns.vas-hosting.com | ||||||
| A | 2a01:4f8:c0c:1fbf::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.vas-hosting.com | ||||||
| A | 78.47.104.13🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | ns.vas-hosting.com | ||||||
| NS | ns.vas-hosting.eu | ||||||
| A | 2a01:430:100:57::25🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | ns.vas-hosting.eu | ||||||
| A | 83.167.224.189🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| PTR | ns.vas-hosting.eu | ||||||
| MX | aeu06.vas-server.cz ⭐ | ||||||
| A | 2a01:28:ca:112::1:887🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | aeu06.vas-server.cz | ||||||
| A | 37.235.104.39🇨🇿 SuperNetwork37.235.96.0/20 s.r.o. | ||||||
| PTR | aeu06.vas-server.cz | ||||||
| TXT | v=spf1 a mx ?all | ||||||
| SOA | ns.vas-hosting.czinfo@vas-hosting.cz serial=2502042145 | ||||||
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=1774637745 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns.vas-hosting.com2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:52:48
● 2026-03-27 19:12:02
●NSns.vas-hosting.cz2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:52:48
● 2026-03-27 19:12:02
●NSns.vas-hosting.eu2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:52:48
● 2026-03-27 19:12:02
○NSns1.webpage.t-com.de2015-06-23 → 2015-06-23 · 3 obs
○ 2017-03-20 09:10:36
○ 2026-03-27 19:12:02
○NSns2.webpage.t-com.de2015-06-23 → 2015-06-23 · 3 obs
○ 2017-03-20 09:10:36
○ 2026-03-27 19:12:02
●MXaeu06.vas-server.cz2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:52:48
● 2026-03-27 19:12:02
○MXmail.webpage.t-com.de2015-06-23 → 2015-06-23 · 3 obs
○ 2017-03-20 09:10:36
○ 2026-03-27 19:12:02
●A2a01:28:ca:112::1:8872026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:52:48
● 2026-03-27 19:12:02
●A37.235.104.392026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:52:48
● 2026-03-27 19:12:02
○A80.152.31.1432015-06-23 → 2015-06-23 · 3 obs
○ 2017-03-20 09:10:36
○ 2026-03-27 19:12:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| doubek.org | ns.vas-hosting.cz, ns.vas-hosting.eu, ns.vas-hosting.com | - |
✅ Authoritative Response
Server:95.168.209.105
NS records: ns.vas-hosting.cz, ns.vas-hosting.eu, ns.vas-hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doubek.org (unsigned zone)
⏱️ Timing
Total: 888ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.235.104.39 |
| AAAA | 1 | 2a01:28:ca:112::1:887 |
| NS | 3 | ns.vas-hosting.com, ns.vas-hosting.cz... |
| MX | 1 | aeu06.vas-server.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx ?all |
| SOA | 1 | ns.vas-hosting.cz info.vas-hosting.cz |
Analysis
IP Addresses
doubek.org resolves to two IPs: 2a01:28:ca:112::1:887 and 37.235.104.39.
Other host names, for instance aeu06.vas-server.cz, share IP numbers with doubek.org.
Name Servers
doubek.org is delegated to three name servers: ns.vas-hosting.com, ns.vas-hosting.cz and ns.vas-hosting.eu.
doubek.org at least partially shares name servers with other domains, for instance dantik.cz, usr190cv.iba.cz, australiaonline.eu, zsamszichlinek.cz and klidanko.cz.
Host names with two IP numbers:
Host ns.vas-hosting.com points to 2a01:4f8:c0c:1fbf::1 and 78.47.104.13.
Host ns.vas-hosting.cz points to 2a01:28:ca:112::1:4 and 95.168.209.105.
Host ns.vas-hosting.eu points to 2a01:430:100:57::25 and 83.167.224.189.
Mail Servers
doubek.org is handled by a single mail server, aeu06.vas-server.cz.
Host aeu06.vas-server.cz resolves to two IPs: 2a01:28:ca:112::1:887 and 37.235.104.39.