alfastav.com - robtex.com
alfastav.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:4b40:aaaa:2005::6🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.164🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1724493275 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSalfa.ns.active24.cz2015-04-17 → 2019-03-31 · 3 obs
● 2019-03-31 00:13:48
○ 2026-03-23 21:44:28
○NSbeta.ns.active24.cz2015-04-17 → 2019-03-31 · 3 obs
● 2019-03-31 00:13:48
○ 2026-03-23 21:44:28
●NSns1.websupport.cz2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 21:44:28
●NSns2.websupport.cz2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 21:44:28
●NSns3.websupport.eu2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 21:44:28
●A2a00:4b40:aaaa:2005::62026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 21:44:28
○A2a02:4a8:ac24:102::96:1262015-04-17 → 2019-03-31 · 3 obs
● 2019-03-31 00:13:48
○ 2026-03-23 21:44:28
●A37.9.175.1642026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 21:44:28
○A81.95.96.1262015-04-17 → 2019-03-31 · 3 obs
● 2019-03-31 00:13:48
○ 2026-03-23 21:44:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| alfastav.com | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 709ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.164 |
| AAAA | 1 | 2a00:4b40:aaaa:2005::6 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
alfastav.com points to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.164.
Other host names, for instance gordex.hu, www.octa.cz, pivomaxmilian.cz, tichac.cz and azbeton.sk share IP numbers with alfastav.com.
Name Servers
The domain alfastav.com is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
alfastav.com shares name servers with other domains at least partially, for instance sken.sk, skolitel.com, olterm.cz, ablaze.cz and remkosk.sk.
Host names with two IP numbers:
ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11
ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12
ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13