testko.com - dns.ninja
testko.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=1785271882 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSns1-09.azure-dns.com2026-02-15 → 2026-07-28 · 3 obs
● 2026-02-15 09:16:54
● 2026-07-28 20:53:22
●NSns2-09.azure-dns.net2026-02-15 → 2026-07-28 · 3 obs
● 2026-02-15 09:16:54
● 2026-07-28 20:53:22
○NSns2.ko.com2015-07-09 → 2018-10-05 · 4 obs
● 2018-10-05 06:27:38
○ 2026-02-15 09:16:54
○ 2026-07-28 20:53:22
●NSns3-09.azure-dns.org2026-02-15 → 2026-07-28 · 3 obs
● 2026-02-15 09:16:54
● 2026-07-28 20:53:22
○NSns3-old.ko.com2015-07-09 → 2018-10-05 · 4 obs
● 2018-10-05 06:27:38
○ 2026-02-15 09:16:54
○ 2026-07-28 20:53:22
○NSns3.ko.com2015-07-09 → 2018-10-05 · 4 obs
● 2018-10-05 06:27:38
○ 2026-02-15 09:16:54
○ 2026-07-28 20:53:22
●NSns4-09.azure-dns.info2026-02-15 → 2026-07-28 · 3 obs
● 2026-02-15 09:16:54
● 2026-07-28 20:53:22
○NSns4.ko.com2015-07-09 → 2018-10-05 · 4 obs
● 2018-10-05 06:27:38
○ 2026-02-15 09:16:54
○ 2026-07-28 20:53:22
○MXimkomail.ko.com2015-07-09 → 2016-12-28 · 4 obs
● 2016-12-28 04:49:38
○ 2018-10-05 06:27:38
○ 2026-07-28 20:53:22
○MXtestko-com.mail.eo.outlook.com2018-10-05 → 2018-10-05 · 4 obs
● 2018-10-05 06:27:38
○ 2026-02-15 09:16:54
○ 2026-07-28 20:53:22
●MXtestko-com.mail.protection.outlook.com2026-02-15 → 2026-07-28 · 3 obs
● 2026-02-15 09:16:54
● 2026-07-28 20:53:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| testko.com | ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info | 2 records |
✅ Authoritative Response
Server:13.107.236.9
NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for testko.com (unsigned zone)
⏱️ Timing
Total: 224ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-09.azure-dns.com, ns2-09.azure-dns.net... |
| MX | 1 | testko-com.mail.protection.outlook.com ( |
| TXT | 8 | MS=ms22476590, google-site-verification=t4ZvB0nCn2r2PXK... |
| SOA | 1 | ns1-09.azure-dns.com ipnam.coca-cola.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-09.azure-dns.com, ns1-09.azure-dns.com)
Analysis
Hierarchy
testko.com serves as parent to dev-dali.testko.com, pim.testko.com, dev-dossier-microstrategy.testko.com, enterpriseenrollment.testko.com, azuresftk.testko.com along with a few other host names.
Name Servers
The domain testko.com is delegated to these four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.
testko.com has at least partial name server overlap with other domains, such as vcimentos.com.br, swatchartpeacehotel.org, 21.16.103.in-addr.arpa and two others.
ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org all point to exactly two IP numbers each: ns1-09.azure-dns.com → 13.107.236.9 and 2603:1061:0:700::9; ns4-09.azure-dns.info → 208.84.5.9 and 2620:1ec:bda:700::9; ns2-09.azure-dns.net → 150.171.21.9 and 2620:1ec:8ec:700::9; ns3-09.azure-dns.org → 204.14.183.9 and 2a01:111:4000:700::9.
Mail Servers
testko.com routes its mail through a single mail server, testko-com.mail.protection.outlook.com.
testko-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.8.46, 52.101.9.0 and 52.101.10.12, along with 5 other.