alphanumeric.cz - robtex.com
alphanumeric.cz
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=1771291036 | ||||||
Previously MX for
Up
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
○NSns1.hostmonster.com2015-06-01 → 2017-03-20 · 4 obs
● 2017-03-20 05:11:30
○ 2020-01-31 18:41:58
○ 2026-02-24 21:25:34
●NSns1.thinline.cz2020-01-31 → 2026-02-24 · 3 obs
● 2020-01-31 18:41:58
● 2026-02-24 21:25:34
○NSns2.hostmonster.com2015-06-01 → 2017-03-20 · 4 obs
● 2017-03-20 05:11:30
○ 2020-01-31 18:41:58
○ 2026-02-24 21:25:34
●NSns2.thinline.cz2020-01-31 → 2026-02-24 · 3 obs
● 2020-01-31 18:41:58
● 2026-02-24 21:25:34
●NSns3.cesky-hosting.eu2020-01-31 → 2026-02-24 · 3 obs
● 2020-01-31 18:41:58
● 2026-02-24 21:25:34
○MXalphanumeric.cz2015-06-01 → 2017-03-20 · 4 obs
● 2017-03-20 05:11:30
○ 2020-01-31 18:41:58
○ 2026-02-24 21:25:34
●MXmx1b20.thinline.cz2020-01-31 → 2026-02-24 · 3 obs
● 2020-01-31 18:41:58
● 2026-02-24 21:25:34
●MXmx1d10.thinline.cz2020-01-31 → 2026-02-24 · 3 obs
● 2020-01-31 18:41:58
● 2026-02-24 21:25:34
●A2001:67c:e94:1:1:5bef:c90e:12026-02-24 → 2026-02-24 · 3 obs
● 2026-02-24 19:25:36
● 2026-02-24 21:25:34
○A2a00:1ed0:2:1:1:5bef:c90e:12020-01-31 → 2020-01-31 · 4 obs
● 2020-01-31 18:41:58
○ 2026-02-24 19:25:36
○ 2026-02-24 21:25:34
○A74.220.207.1402015-06-01 → 2017-03-20 · 4 obs
● 2017-03-20 05:11:30
○ 2020-01-31 18:41:58
○ 2026-02-24 21:25:34
●A91.239.201.142020-01-31 → 2026-02-24 · 3 obs
● 2020-01-31 18:41:58
● 2026-02-24 21:25:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| alphanumeric.cz | ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu | 4 records |
✅ Authoritative Response
Server: 91.239.202.18
NS records: ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alphanumeric.cz (unsigned zone)
⏱️ Timing
Total: 1444ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.239.201.14 |
| AAAA | 1 | 2001:67c:e94:1:1:5bef:c90e:1 |
| NS | 3 | ns1.thinline.cz, ns3.cesky-hosting.eu... |
| MX | 2 | mx1d10.thinline.cz (pri: 10), mx1b20.thinline.cz (pri: 20) |
| TXT | 1 | v=spf1 a:replikant2186.thinline.cz inclu |
| SOA | 1 | ns1.thinline.cz hostmaster.alphanumeric. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 4 (ns1.thinline.cz, ns1.thinline.cz, ns2.thinline.cz...)
AI analysis
alphanumeric.cz is a parent of www.alphanumeric.cz and mail.alphanumeric.cz.
alphanumeric.cz points to two IP numbers: 2001:67c:e94:1:1:5bef:c90e:1 and 91.239.201.14.
Other host names such as internet-banking.cz, outletexpert.sk, krostech.eu, unwork.cz and studio-biorezonance.cz share IPs with alphanumeric.cz.
alphanumeric.cz is delegated to three name servers: ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu.
alphanumeric.cz at least partially shares name servers with other domains, for instance z-type.cz, danielkrob.cz, brzask.org, sandrodragoj.com and detai.cz.
Host ns1.thinline.cz points to 2001:67c:e94:0:1:5bef:c8f3:1 and 91.239.200.243; Host ns2.thinline.cz points to 2001:4de8:fa22:0:1:5264:602:1 and 82.100.6.2; Host ns3.cesky-hosting.eu points to 2001:67c:e94:1:1:5bef:ca12:1 and 91.239.202.18.
alphanumeric.cz is handled by two mail servers: mx1b20.thinline.cz and mx1d10.thinline.cz.
The mail server setup for alphanumeric.cz matches that of other domains, for instance agakartarka.cz, didaprom.com, kaplik.info, klimes.cz and blistr.cz.
Host names with two IP numbers: mx1b20.thinline.cz points to: 2001:4de8:fa22:0:1:5264:603:1 and 82.100.6.3; mx1d10.thinline.cz points to: 2001:67c:e94:0:1:5bef:c80e:1 and 91.239.200.14.