dk-ing.com - dns.ninja
dk-ing.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.system-cobo.net ⚠️ Not in zone NS records | ||||||
| A | 210.227.91.133🇯🇵 OCN210.226.0.0/15 (AS4713) CIDR BLOCK 14 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | tessie.kumiai.or.jp | ||||||
| NS | ns2.system-cobo.net ⚠️ Not in zone NS records | ||||||
| A | 210.227.91.132🇯🇵 OCN210.226.0.0/15 (AS4713) CIDR BLOCK 14 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | pepper.kumiai.or.jp | ||||||
| NS | ns3.system-cobo.net ⚠️ Not in zone NS records | ||||||
| A | 54.95.57.41🇯🇵 Amazon54.95.0.0/17 EC2 NRT prefix | ||||||
| PTR | ns3.kumiai.or.jp | ||||||
| NS | ns4.system-cobo.net ⚠️ Not in zone NS records | ||||||
| A | 54.250.60.136🇯🇵 Amazon54.250.0.0/17 Amzon EC2 NRT NAT prefix | ||||||
| PTR | ns4.kumiai.or.jp | ||||||
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=1786210619 | ||||||
Subdomains
www.dk-ing.com |
Same first word
dk-ing.com |
Similar names
DNS History
6 records (4 active, 2 former)
○NSns1.kumiai.or.jp2015-08-05 → 2026-03-19 · 4 obs
● 2026-03-19 14:38:26
○ 2026-08-08 17:50:56
○ 2026-08-08 17:50:58
●NSns1.system-cobo.net2015-08-05 → 2026-08-08 · 2 obs
● 2026-08-08 17:50:58
●NSns2.system-cobo.net2015-08-05 → 2026-08-08 · 2 obs
● 2026-08-08 17:50:58
●NSns3.system-cobo.net2015-08-05 → 2026-08-08 · 2 obs
● 2026-08-08 17:50:58
●NSns4.system-cobo.net2015-08-05 → 2026-08-08 · 2 obs
● 2026-08-08 17:50:58
○MXwww.dk-ing.com2015-08-05 → 2026-03-19 · 4 obs
● 2026-03-19 14:38:26
○ 2026-08-08 17:50:56
○ 2026-08-08 17:50:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net... | - |
| dk-ing.com | ns2.system-cobo.net, ns3.system-cobo.net, ns4.system-cobo.net, ns1.system-cobo.net | - |
✅ Authoritative Response
Server:210.227.91.133
NS records: ns2.system-cobo.net, ns3.system-cobo.net, ns4.system-cobo.net, ns1.system-cobo.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dk-ing.com (unsigned zone)
⏱️ Timing
Total: 2828ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns2.system-cobo.net, ns1.system-cobo.net... |
| MX | 1 | www.dk-ing.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns1.kumiai.or.jp root.kumiai.or.jp |
Analysis
Hierarchy
www.dk-ing.com is a subdomain of dk-ing.com.
Name Servers
Four name servers handle the delegation for dk-ing.com: ns1.system-cobo.net, ns2.system-cobo.net, ns3.system-cobo.net and ns4.system-cobo.net.
The name servers of dk-ing.com overlap at least partially with those of other domains — among them system-cobo.net, varsity-buac.com, jd-kyosai.com and two more.
These name servers commonly appear in combination with the name servers ns1.kumiai.or.jp.
Four host names, each with one IP address: ns1.system-cobo.net has 210.227.91.133, ns2.system-cobo.net has 210.227.91.132, ns3.system-cobo.net has 54.95.57.41 and ns4.system-cobo.net has 54.250.60.136.