profi4u.sk - robtex.com
profi4u.sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.9.175.164🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | ing.r3.websupport.sk | ||||||
| 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=1730467190 | ||||||
sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | m.tld.sk ⭐ | ||||||
| NS | e.tld.sk | ||||||
| NS | f.tld.sk | ||||||
| NS | g.tld.sk | ||||||
| NS | h.tld.sk | ||||||
| SOA | m.tld.skhostmaster@sk-nic.sk serial=2018523068 | ||||||
Same first word
DNS History
8 records (4 active, 4 former)
○NSalfa.ns.active24.cz2015-05-28 → 2019-12-22 · 4 obs
● 2019-12-22 12:23:58
○ 2026-03-29 09:00:10
○ 2026-05-07 18:43:58
○NSbeta.ns.active24.cz2015-05-28 → 2019-12-22 · 4 obs
● 2019-12-22 12:23:58
○ 2026-03-29 09:00:10
○ 2026-05-07 18:43:58
○NSgama.ns.active24.sk2015-05-28 → 2019-12-22 · 4 obs
● 2019-12-22 12:23:58
○ 2026-03-29 09:00:10
○ 2026-05-07 18:43:58
●NSns1.websupport.cz2026-03-29 → 2026-05-07 · 3 obs
● 2026-03-29 09:00:10
● 2026-05-07 18:43:58
●NSns2.websupport.cz2026-03-29 → 2026-05-07 · 3 obs
● 2026-03-29 09:00:10
● 2026-05-07 18:43:58
●NSns3.websupport.eu2026-03-29 → 2026-05-07 · 3 obs
● 2026-03-29 09:00:10
● 2026-05-07 18:43:58
●A37.9.175.1642026-03-29 → 2026-05-07 · 3 obs
● 2026-03-29 09:00:10
● 2026-05-07 18:43:58
○A81.95.96.292015-05-28 → 2019-12-22 · 4 obs
● 2019-12-22 12:23:58
○ 2026-03-29 09:00:10
○ 2026-05-07 18:43:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | e.tld.sk, h.tld.sk, g.tld.sk, f.tld.sk | 8 records |
| profi4u.sk | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.11
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: 354ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.164 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (h.tld.sk, g.tld.sk, f.tld.sk...)
Analysis
IP Addresses
profi4u.sk points to a single IP address: 37.9.175.164.
Other host names such as zamecnickyservis.cz, antes-kt.cz, plzen2015.cz, propaganda.mb.cz and ceskakriminologie.cz share IPs with profi4u.sk.
Name Servers
profi4u.sk is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
profi4u.sk at least partially shares name servers with other domains, for example pharmatex.info, cadova.cz, ildam.cz, bestsellers.sk and lovelivinghomes.co.uk.
These name servers are commonly used with ns1.websupport.sk and ns2.websupport.sk and ns3.websupport.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