biofenac.cz - robtex.com
biofenac.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:4b40:aaaa:2011::7🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.211🇸🇰 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=1773424768 | ||||||
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=1778590037 | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSalfa.ns.active24.cz2015-08-12 → 2026-03-02 · 4 obs
● 2026-03-02 10:33:20
○ 2026-03-20 21:18:58
○ 2026-05-12 13:20:14
○NSbeta.ns.active24.cz2015-08-12 → 2026-03-02 · 4 obs
● 2026-03-02 10:33:20
○ 2026-03-20 21:18:58
○ 2026-05-12 13:20:14
○NSgama.ns.active24.sk2015-08-12 → 2026-03-02 · 4 obs
● 2026-03-02 10:33:20
○ 2026-03-20 21:18:58
○ 2026-05-12 13:20:14
●NSns1.websupport.cz2026-03-20 → 2026-05-12 · 3 obs
● 2026-03-20 21:18:58
● 2026-05-12 13:20:14
●NSns2.websupport.cz2026-03-20 → 2026-05-12 · 3 obs
● 2026-03-20 21:18:58
● 2026-05-12 13:20:14
●NSns3.websupport.eu2026-03-20 → 2026-05-12 · 3 obs
● 2026-03-20 21:18:58
● 2026-05-12 13:20:14
●A2a00:4b40:aaaa:2011::72026-03-20 → 2026-05-12 · 3 obs
● 2026-03-20 21:18:58
● 2026-05-12 13:20:14
●A37.9.175.2112026-03-20 → 2026-05-12 · 3 obs
● 2026-03-20 21:18:58
● 2026-05-12 13:20:14
○A81.95.96.1482017-05-23 → 2026-03-02 · 5 obs
● 2017-05-23 04:07:52
● 2026-03-02 10:33:20
○ 2026-03-20 21:18:58
○ 2026-05-12 13:20:14
○A81.95.96.292015-08-12 → 2017-02-18 · 4 obs
● 2017-02-18 03:38:14
○ 2017-05-23 04:07:52
○ 2026-05-12 13:20:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| biofenac.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:185.71.159.12
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: 1063ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.211 |
| AAAA | 1 | 2a00:4b40:aaaa:2011::7 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
biofenac.cz resolves to two IPs: 2a00:4b40:aaaa:2011::7 and 37.9.175.211.
other host names for instance motorsports.cz, sommerer.co.at, not4fools.eu, swixshop.sk and www.merenionline.cz share IP numbers with biofenac.cz.
Name Servers
biofenac.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
biofenac.cz at least partially shares name servers with other domains, for instance charvat.info, menzi.cz, wild-wood.sk, happytogether.cz and dos-servis.cz.
Host names with two IP numbers:
Host ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11.
Host ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12.
Host ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13.