stack.sk - robtex.com
stack.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=2018651354 | ||||||
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DNS History
19 records (7 active, 12 former)
○NSns1.dnsbackup.net2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○NSns1.nameserver.sk2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
●NSns1.websupport.sk2026-10-05 → 2026-10-08 · 3 obs
● 2026-10-05 05:21:48
● 2026-10-08 00:39:08
○NSns2.dnsbackup.net2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○NSns2.nameserver.sk2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
●NSns2.websupport.sk2026-10-05 → 2026-10-08 · 3 obs
● 2026-10-05 05:21:48
● 2026-10-08 00:39:08
●NSns3.websupport.sk2026-10-05 → 2026-10-08 · 3 obs
● 2026-10-05 05:21:48
● 2026-10-08 00:39:08
○MXas.mx-hub.net2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○MXas.mx-hub.sk2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○MXmailin.mx-hub.cz2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○MXmailin.mx-hub.eu2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○MXmailin.mx-hub.net2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○MXmailin.mx-hub.sk2015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
●MXmailin1.stack.sk2026-10-05 → 2026-10-08 · 3 obs
● 2026-10-05 05:21:48
● 2026-10-08 00:39:08
●MXmailin2.stack.sk2026-10-05 → 2026-10-08 · 3 obs
● 2026-10-05 05:21:48
● 2026-10-08 00:39:08
○A2001:1ba0:2a0:5965:0:30:34:12015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
○A217.67.30.342015-08-03 → 2017-02-17 · 4 obs
● 2017-02-17 15:43:58
○ 2026-10-05 05:21:48
○ 2026-10-08 00:39:08
●A2a00:4b40:aaaa:2007::72026-10-05 → 2026-10-08 · 3 obs
● 2026-10-05 05:21:48
● 2026-10-08 00:39:08
●A37.9.175.1812026-10-05 → 2026-10-08 · 3 obs
● 2026-10-05 05:21:48
● 2026-10-08 00:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | e.tld.sk, h.tld.sk, g.tld.sk, f.tld.sk | - |
| stack.sk | ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk | 6 records |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 971ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.181 |
| AAAA | 1 | 2a00:4b40:aaaa:2007::7 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mailin1.stack.sk (pri: 10), mailin2.stack.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, ns1.websupport.sk, ns2.websupport.sk...)
Analysis
IP Addresses
stack.sk directs to two IP numbers, 37.9.175.181 and 2a00:4b40:aaaa:2007::7
Additional host names — datazdronu.sk, drhuby.sk, mailinbackup1.larsson.sk and two others — share IP numbers with stack.sk.
Name Servers
The authoritative name servers for stack.sk are ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk — three in total.
stack.sk partially shares its NS delegation with several other domains, including playlab.sk, biiconsultant.sk, holeckova.sk and two others.
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
stack.sk has two mail servers: mailin1.stack.sk and mailin2.stack.sk.
The two host names mailin1.stack.sk and mailin2.stack.sk each have a pair of IP addresses: mailin1.stack.sk has 45.13.137.7 and 2a00:4b40:aaaa:2101:45:13:137:8, and mailin2.stack.sk has 45.13.137.8 and 2a00:4b40:aaaa:2101:45:13:137:9.