alfavin.cz - robtex.com
alfavin.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.46.209.217🇨🇿 ZONER-AS37.46.208.0/21 ZONER-NET | ||||||
| NS | ns1.regzone.cz ⭐ | ||||||
| A | 2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| A | 217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| NS | ns1.regzone.de | ||||||
| A | 2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| A | 23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| NS | ns1.regzone.info | ||||||
| A | 2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | ns1.regzone.info | ||||||
| A | 81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | ns1.regzone.info | ||||||
| MX | relay.zoner.com ⭐ | ||||||
| A | 217.198.120.100🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | relay.zoner.com | ||||||
| MX | 10mx.zoner.com(10) | ||||||
| A | 217.198.120.36🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | 10mx.zoner.com | ||||||
| MX | 15mx.zoner.com(15) | ||||||
| A | 81.0.233.6🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | 15mx.zoner.com | ||||||
| SOA | ns1.regzone.czadministrator@czechia.cz 2026-06-15 #10 | ||||||
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=1781830039 | ||||||
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSns1.regzone.cz2015-07-16 → 2026-06-19 · 2 obs
● 2026-06-19 01:16:46
●NSns1.regzone.de2015-07-16 → 2026-06-19 · 2 obs
● 2026-06-19 01:16:46
●NSns1.regzone.info2015-07-16 → 2026-06-19 · 2 obs
● 2026-06-19 01:16:46
○A217.198.114.1092015-07-16 → 2015-11-18 · 4 obs
● 2015-11-18 23:21:36
○ 2016-02-09 11:14:24
○ 2026-06-19 01:16:46
○A217.198.117.1732016-02-09 → 2020-02-21 · 5 obs
● 2016-02-09 11:14:24
● 2020-02-21 07:25:00
○ 2026-03-28 03:27:56
○ 2026-06-19 01:16:46
○A2a00:19a0:3:72:0:d9c6:726d:12015-07-16 → 2015-11-18 · 4 obs
● 2015-11-18 23:21:36
○ 2016-02-09 11:14:24
○ 2026-06-19 01:16:46
●A37.46.209.2172026-03-28 → 2026-06-19 · 3 obs
● 2026-03-28 03:27:56
● 2026-06-19 01:16:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| alfavin.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:217.198.113.10
NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1446ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.46.209.217 |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| MX | 3 | relay.zoner.com (pri: 1), 10mx.zoner.com (pri: 10)... |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
IP Addresses
alfavin.cz resolves to just one IP address, 37.46.209.217.
There are other host names — evin.cz among them — that share IP numbers with alfavin.cz.
Name Servers
DNS for alfavin.cz is handled by three authoritative name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
At least some of alfavin.cz's name servers are shared with other domains, for example wired.sk, revel.cz, karelkopic.cz and two more.
Three hostnames — ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info — each have two IP addresses: ns1.regzone.cz has 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1, ns1.regzone.de has 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7, and ns1.regzone.info has 81.0.233.10 and 2001:1528:147::10.
Mail Servers
The MX records for alfavin.cz list three mail servers: 10mx.zoner.com, 15mx.zoner.com and relay.zoner.com.
There is at least a partial MX overlap between alfavin.cz and other domains, including 235.cz, buddy-lee.eu, alita.cz and two others.
10mx.zoner.com, 15mx.zoner.com and relay.zoner.com all have one IP address each — 10mx.zoner.com directs to 217.198.120.36, 15mx.zoner.com directs to 81.0.233.6 and relay.zoner.com directs to 217.198.120.100.