ko.com - dns.ninja
ko.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=1784016787 | ||||||
📈 Tranco rank: #140,883
Subdomains
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NSns1-09.azure-dns.com2026-02-15 → 2026-07-14 · 3 obs
● 2026-02-15 07:10:20
● 2026-07-14 08:31:48
○NSns1-auth.sprintlink.net2009-07-03 → 2009-07-03 · 3 obs
○ 2015-09-04 07:41:34
○ 2026-07-14 08:31:48
●NSns2-09.azure-dns.net2026-02-15 → 2026-07-14 · 3 obs
● 2026-02-15 07:10:20
● 2026-07-14 08:31:48
○NSns2-auth.sprintlink.net2009-07-03 → 2009-07-03 · 3 obs
○ 2015-09-04 07:41:34
○ 2026-07-14 08:31:48
○NSns2.ko.com2009-07-03 → 2021-01-25 · 4 obs
● 2021-01-25 20:09:24
○ 2026-02-15 07:10:20
○ 2026-07-14 08:31:48
●NSns3-09.azure-dns.org2026-02-15 → 2026-07-14 · 3 obs
● 2026-02-15 07:10:20
● 2026-07-14 08:31:48
○NSns3-auth.sprintlink.net2009-07-03 → 2009-07-03 · 3 obs
○ 2015-09-04 07:41:34
○ 2026-07-14 08:31:48
○NSns3.ko.com2009-07-03 → 2021-01-25 · 4 obs
● 2021-01-25 20:09:24
○ 2026-02-15 07:10:20
○ 2026-07-14 08:31:48
●NSns4-09.azure-dns.info2026-02-15 → 2026-07-14 · 3 obs
● 2026-02-15 07:10:20
● 2026-07-14 08:31:48
○NSns4.ko.com2009-07-03 → 2021-01-25 · 4 obs
● 2021-01-25 20:09:24
○ 2026-02-15 07:10:20
○ 2026-07-14 08:31:48
○MXko-com.mail.protection.outlook.com2015-09-04 → 2021-01-25 · 5 obs
● 2015-09-04 07:41:34
● 2021-01-25 20:09:24
○ 2026-02-15 07:10:20
○ 2026-07-14 08:31:48
●MXmxa-0037a502.gslb.pphosted.com2026-02-15 → 2026-07-14 · 3 obs
● 2026-02-15 07:10:20
● 2026-07-14 08:31:48
●MXmxb-0037a502.gslb.pphosted.com2026-02-15 → 2026-07-14 · 3 obs
● 2026-02-15 07:10:20
● 2026-07-14 08:31:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| ko.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:208.84.5.9
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 ko.com (unsigned zone)
⏱️ Timing
Total: 388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-09.azure-dns.com, ns2-09.azure-dns.net... |
| MX | 2 | mxa-0037a502.gslb.pphosted.com (pri: 10), mxb-0037a502.gslb.pphosted.com (pri: 10) |
| TXT | 7 | v=msv1 t=D88AC177-EBC8-45C3-972F-99E1927, cisco-ci-domain-verification=729e79f55b0... |
| 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
Under ko.com as parent sit na.ko.com, pir.ko.com, gatekeeper7.ko.com, sso.ko.com, ns2.ko.com and hundreds of other host names.
Name Servers
The domain ko.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.
There is at least partial name server overlap between ko.com and other domains — microsoftwordprocessor.com, 56.39.185.in-addr.arpa, copy-pro.net and two more among them.
All four hostnames — ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org — resolve to two IP numbers apiece: ns1-09.azure-dns.com to 13.107.236.9 and 2603:1061:0:700::9; ns4-09.azure-dns.info to 208.84.5.9 and 2620:1ec:bda:700::9; ns2-09.azure-dns.net to 150.171.21.9 and 2620:1ec:8ec:700::9; ns3-09.azure-dns.org to 204.14.183.9 and 2a01:111:4000:700::9.
Mail Servers
The MX records for ko.com point to two mail servers: mxa-0037a502.gslb.pphosted.com and mxb-0037a502.gslb.pphosted.com.
ko.com has the same mail server arrangement as a number of other domains, for example jp.ko.com, cappy.com.tr, cocacolazero.com and two more.
mxa-0037a502.gslb.pphosted.com → 205.220.178.8 and mxb-0037a502.gslb.pphosted.com → 205.220.166.8: one IP number per host name.