istro.sk - robtex.com
istro.sk
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=2018580243 | ||||||
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
○NSns.rainside.sk2015-07-20 → 2017-06-02 · 4 obs
● 2017-06-02 21:40:32
○ 2026-06-08 23:38:50
○ 2026-07-17 16:13:40
●NSns1.websupport.sk2026-06-08 → 2026-07-17 · 3 obs
● 2026-06-08 23:38:50
● 2026-07-17 16:13:40
●NSns2.websupport.sk2026-06-08 → 2026-07-17 · 3 obs
● 2026-06-08 23:38:50
● 2026-07-17 16:13:40
●NSns3.websupport.sk2026-06-08 → 2026-07-17 · 3 obs
● 2026-06-08 23:38:50
● 2026-07-17 16:13:40
○NSzero.rainside.sk2015-07-20 → 2017-06-02 · 4 obs
● 2017-06-02 21:40:32
○ 2026-06-08 23:38:50
○ 2026-07-17 16:13:40
○MXmail.trust.sk2015-07-20 → 2017-06-02 · 4 obs
● 2017-06-02 21:40:32
○ 2026-06-08 23:38:50
○ 2026-07-17 16:13:40
●MXmx10.websupport.sk2026-06-08 → 2026-07-17 · 3 obs
● 2026-06-08 23:38:50
● 2026-07-17 16:13:40
●MXmx20.websupport.sk2026-06-08 → 2026-07-17 · 3 obs
● 2026-06-08 23:38:50
● 2026-07-17 16:13:40
○MXzero.rainside.sk2015-07-20 → 2017-06-02 · 4 obs
● 2017-06-02 21:40:32
○ 2026-06-08 23:38:50
○ 2026-07-17 16:13:40
●A2a00:4b40:aaaa:2009::52026-06-08 → 2026-07-17 · 2 obs
● 2026-07-17 16:13:40
●A37.9.175.1972026-06-08 → 2026-07-17 · 2 obs
● 2026-07-17 16:13:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | e.tld.sk, g.tld.sk, f.tld.sk, h.tld.sk | - |
| istro.sk | ns2.websupport.sk, ns3.websupport.sk, ns1.websupport.sk | 6 records |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns2.websupport.sk, ns3.websupport.sk, ns1.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2030ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.197 |
| AAAA | 1 | 2a00:4b40:aaaa:2009::5 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mx10.websupport.sk (pri: 10), mx20.websupport.sk (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk...)
Analysis
IP Addresses
istro.sk has two IP addresses: 37.9.175.197 and 2a00:4b40:aaaa:2009::5
vrtik.com, iypt.net, multicar.sk and two other host names share IP numbers with istro.sk.
Name Servers
The authoritative name servers for istro.sk are ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk — three in total.
The name servers of istro.sk overlap at least partially with those of other domains — among them solumed.sk, valzam.sk, objednatsa.sk and two more.
ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk all resolve to exactly two IP numbers apiece: ns1.websupport.sk → 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.sk → 185.71.159.12 and 2a02:250:3::12; ns3.websupport.sk → 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
Mail for istro.sk is handled by two mail servers — mx10.websupport.sk and mx20.websupport.sk.
istro.sk uses an identical mail server configuration to several other domains — among them gkengineering.sk, folkmove.com, ffg.sk and two more.
The two host names mx10.websupport.sk and mx20.websupport.sk each have a pair of IP addresses: mx10.websupport.sk has 45.13.137.110 and 2a00:4b40:aaaa:2101:45:13:137:110, and mx20.websupport.sk has 45.13.137.109 and 2a00:4b40:aaaa:2101:45:13:137:109.