kelsta.com - dns.ninja
kelsta.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1781298033 | ||||||
Subdomains
Same first word
Similar names
DNS History
15 records (7 active, 8 former)
○NSns.dns4.cz2015-05-26 → 2020-03-30 · 4 obs
● 2020-03-30 03:44:30
○ 2026-03-31 01:08:12
○ 2026-06-12 21:16:02
○NSns.dns4.net2015-05-26 → 2020-03-30 · 4 obs
● 2020-03-30 03:44:30
○ 2026-03-31 01:08:12
○ 2026-06-12 21:16:02
●NSns1.websupport.cz2026-03-31 → 2026-06-12 · 3 obs
● 2026-03-31 01:08:12
● 2026-06-12 21:16:02
●NSns2.websupport.cz2026-03-31 → 2026-06-12 · 3 obs
● 2026-03-31 01:08:12
● 2026-06-12 21:16:02
●NSns3.websupport.eu2026-03-31 → 2026-06-12 · 3 obs
● 2026-03-31 01:08:12
● 2026-06-12 21:16:02
○MXin.smtp.cz2015-05-26 → 2016-07-26 · 4 obs
● 2016-07-26 10:48:46
○ 2017-05-21 17:45:16
○ 2026-06-12 21:16:02
●MXmailin1.kelsta.com2026-03-31 → 2026-06-12 · 3 obs
● 2026-03-31 01:08:12
● 2026-06-12 21:16:02
●MXmailin2.kelsta.com2026-03-31 → 2026-06-12 · 3 obs
● 2026-03-31 01:08:12
● 2026-06-12 21:16:02
○MXmx.smtp.cz2015-05-26 → 2016-07-26 · 4 obs
● 2016-07-26 10:48:46
○ 2017-05-21 17:45:16
○ 2026-06-12 21:16:02
○MXmx1.active24.com2017-05-21 → 2020-03-30 · 5 obs
● 2017-05-21 17:45:16
● 2020-03-30 03:44:30
○ 2026-03-31 01:08:12
○ 2026-06-12 21:16:02
○MXmx2.active24.com2017-05-21 → 2020-03-30 · 5 obs
● 2017-05-21 17:45:16
● 2020-03-30 03:44:30
○ 2026-03-31 01:08:12
○ 2026-06-12 21:16:02
●A2a00:4b40:aaaa:2005::72026-03-31 → 2026-06-12 · 3 obs
● 2026-03-31 01:08:12
● 2026-06-12 21:16:02
○A2a02:4a8:ac24:108::96:1342015-05-26 → 2020-03-30 · 4 obs
● 2020-03-30 03:44:30
○ 2026-03-31 01:08:12
○ 2026-06-12 21:16:02
●A37.9.175.1632026-03-31 → 2026-06-12 · 3 obs
● 2026-03-31 01:08:12
● 2026-06-12 21:16:02
○A81.95.96.1342015-05-26 → 2020-03-30 · 4 obs
● 2020-03-30 03:44:30
○ 2026-03-31 01:08:12
○ 2026-06-12 21:16:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net... | - |
| kelsta.com | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.13
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: 623ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.163 |
| AAAA | 1 | 2a00:4b40:aaaa:2005::7 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mailin1.kelsta.com (pri: 10), mailin2.kelsta.com (pri: 100) |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
The parent domain of mailin1.kelsta.com and mailin2.kelsta.com is kelsta.com.
IP Addresses
kelsta.com points to two IP numbers: 37.9.175.163 and 2a00:4b40:aaaa:2005::7.
Among the host names that share IP numbers with kelsta.com are eldax.cz, petros-interier.cz, e-kbm.cz and two others.
Name Servers
kelsta.com carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
kelsta.com has at least partial name server overlap with other domains, such as strojpoldi.cz, albert-eshop.cz, comphelp.sk and two others.
ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu are three hostnames that each resolve to a pair of IP addresses: ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
The MX records for kelsta.com point to two mail servers: mailin1.kelsta.com and mailin2.kelsta.com.
mailin1.kelsta.com and mailin2.kelsta.com both carry two IP addresses. The A records for mailin1.kelsta.com are 45.13.137.8 and 2a00:4b40:aaaa:2101:45:13:137:7; the A records for mailin2.kelsta.com are 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:8.