dev.sk - dns.ninja
dev.sk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.9.175.5🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | 5.175.9.37.in-addr.arpa.websupport.sk | ||||||
| NS | ns1.websupport.sk ⭐ | ||||||
| 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.sk | ||||||
| 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.sk | ||||||
| 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 | ||||||
| MX | mailin1.dev.sk ⭐ | ||||||
| A | 37.9.169.110🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o. | ||||||
| PTR | mail-proxymxphy-8.websupport.sk | ||||||
| MX | mailin2.dev.sk(100) | ||||||
| A | 37.9.169.111🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o. | ||||||
| PTR | mail-proxymxphy-7.websupport.sk | ||||||
| TXT | v=spf1 a mx include:_spf.websupport.sk ?all | ||||||
| TXT | spf2.0/pra a mx include:_sid.websupport.sk ?all | ||||||
| SOA | ns1.websupport.skadmin@websupport.sk serial=1715000455 | ||||||
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=2018542517 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
○NSns.ncore.sk2015-08-07 → 2017-07-30 · 4 obs
● 2017-07-30 09:17:28
○ 2026-02-15 17:38:46
○ 2026-06-04 01:34:22
●NSns1.websupport.sk2026-02-15 → 2026-06-04 · 3 obs
● 2026-02-15 17:38:46
● 2026-06-04 01:34:22
○NSns2.ncore.sk2015-08-07 → 2017-07-30 · 4 obs
● 2017-07-30 09:17:28
○ 2026-02-15 17:38:46
○ 2026-06-04 01:34:22
●NSns2.websupport.sk2026-02-15 → 2026-06-04 · 3 obs
● 2026-02-15 17:38:46
● 2026-06-04 01:34:22
●NSns3.websupport.sk2026-02-15 → 2026-06-04 · 3 obs
● 2026-02-15 17:38:46
● 2026-06-04 01:34:22
○MXlnx-websrv2.ncore.sk2015-08-07 → 2017-07-30 · 4 obs
● 2017-07-30 09:17:28
○ 2026-02-15 17:38:46
○ 2026-06-04 01:34:22
●MXmailin1.dev.sk2026-02-15 → 2026-06-04 · 3 obs
● 2026-02-15 17:38:46
● 2026-06-04 01:34:22
●MXmailin2.dev.sk2026-02-15 → 2026-06-04 · 3 obs
● 2026-02-15 17:38:46
● 2026-06-04 01:34:22
○A217.75.82.2152015-08-07 → 2017-07-30 · 4 obs
● 2017-07-30 09:17:28
○ 2026-02-15 17:38:46
○ 2026-06-04 01:34:22
●A37.9.175.52026-02-15 → 2026-06-04 · 3 obs
● 2026-02-15 17:38:46
● 2026-06-04 01:34:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | h.tld.sk, g.tld.sk, e.tld.sk, f.tld.sk | - |
| dev.sk | ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk | 6 records |
✅ Authoritative Response
Server:45.10.97.13
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: 192ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.5 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mailin1.dev.sk (pri: 10), mailin2.dev.sk (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.websupport.sk ?, spf2.0/pra a mx include:_sid.websupport. |
| 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
Hierarchy
dev.sk is the parent domain of mailin1.dev.sk, ns2.dev.sk, mailin2.dev.sk and ns1.dev.sk.
IP Addresses
dev.sk resolves to one IP address: 37.9.175.5.
viamo.org, mbtaxi.sk, silk-design.com and two other host names share IP numbers with dev.sk.
Name Servers
dev.sk has three name servers — ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
dev.sk shares at least some of its name servers with other domains, including k6.sk, zinkorot.sk, aura-soma.sk and two others.
These name servers tend to appear together with ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu and three other name servers.
Each of ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk points to two IP numbers. ns1.websupport.sk points to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.sk points to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.sk points to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
Mail for dev.sk is handled by two mail servers — mailin1.dev.sk and mailin2.dev.sk.
mailin1.dev.sk and mailin2.dev.sk each resolve to one IP number: mailin1.dev.sk points to 37.9.169.110 and mailin2.dev.sk points to 37.9.169.111.