kobutu.com - robtex.com
kobutu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.146.220.181🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | kobutu.com | ||||||
| NS | ns3.sphere.ad.jp ⭐ | ||||||
| A | 202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns3.sphere.ad.jp | ||||||
| NS | ns4.sphere.ad.jp | ||||||
| A | 202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns4.sphere.ad.jp | ||||||
| MX | kobutu.com ⭐ | ||||||
| A | 124.146.220.181🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | kobutu.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:124.146.220.2/32 +ip4:124.146.220.181/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034129 | ||||||
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=1774631462 | ||||||
PTR for
MX for
kobutu.com |
Same first word
kobutu.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-07-22 → 2026-03-27 · 2 obs
● 2015-07-22 04:42:18
● 2026-03-27 17:22:28
● 2026-03-27 17:22:28
●NSns4.sphere.ad.jp2015-07-22 → 2026-03-27 · 2 obs
● 2015-07-22 04:42:18
● 2026-03-27 17:22:28
● 2026-03-27 17:22:28
●MXkobutu.com2015-07-22 → 2026-03-27 · 2 obs
● 2015-07-22 04:42:18
● 2026-03-27 17:22:28
● 2026-03-27 17:22:28
●A124.146.220.1812015-07-22 → 2026-03-27 · 2 obs
● 2015-07-22 04:42:18
● 2026-03-27 17:22:28
● 2026-03-27 17:22:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| kobutu.com | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.30
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kobutu.com (unsigned zone)
⏱️ Timing
Total: 1217ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.146.220.181 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | kobutu.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:124.146 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
For kobutu.com, the mail server is kobutu.com.
IP Addresses
kobutu.com resolves to one IP number: 124.146.220.181.
Name Servers
kobutu.com is delegated to two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp.
kobutu.com shares the same name server setup as other domains, for instance km18.test2.suitepro.jp, kk-taguchi.jp, do-bohan.or.jp, 1jyo.com and kryptonum.co.jp.
Host names with one IP number:
ns3.sphere.ad.jp points to 202.239.113.22
ns4.sphere.ad.jp points to 202.239.113.30
Mail Servers
kobutu.com is served by a single mail server, kobutu.com.
kobutu.com resolves to IP 124.146.220.181.