koba-web.com - robtex.com
koba-web.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 110.4.189.237🇯🇵 ASAHI-NET110.4.128.0/17 | ||||||
| PTR | z189237.ppp.asahi-net.or.jp | ||||||
| NS | skyhawk.asahi-net.or.jp ⭐ | ||||||
| A | 202.224.39.151🇯🇵 ASAHI-NET202.224.32.0/19 -ATSON | ||||||
| PTR | skyhawk.asahi-net.or.jp | ||||||
| NS | tomcat.asahi-net.or.jp | ||||||
| A | 202.224.39.150🇯🇵 ASAHI-NET202.224.32.0/19 -ATSON | ||||||
| PTR | tomcat.asahi-net.or.jp | ||||||
| MX | asahinet-mx-v4.xspmail.jp ⭐ | ||||||
| A | 202.238.198.54🇯🇵 IIJ-AS202.238.192.0/18 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | asahinet-mx.xspmail.jp | ||||||
| MX | asahinet-mx-v6.xspmail.jp(20) | ||||||
| A | 2001:240:bb81:94:202:238:198:54🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | asahinet-mx.xspmail.jp | ||||||
| TXT | v=spf1 include:spf-01.asahi-net.or.jp ?all | ||||||
| SOA | skyhawk.asahi-net.or.jppostmaster@mmjp.or.jp 2022-08-17 #1 | ||||||
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=1775448797 | ||||||
Same first word
koba-web.com |
DNS History
7 records (5 active, 2 former)
●NSskyhawk.asahi-net.or.jp2015-06-09 → 2026-04-06 · 2 obs
● 2026-04-06 04:33:06
●NStomcat.asahi-net.or.jp2015-06-09 → 2026-04-06 · 2 obs
● 2026-04-06 04:33:06
●MXasahinet-mx-v4.xspmail.jp2026-02-15 → 2026-04-06 · 3 obs
● 2026-02-15 16:56:16
● 2026-04-06 04:33:06
●MXasahinet-mx-v6.xspmail.jp2026-02-15 → 2026-04-06 · 3 obs
● 2026-02-15 16:56:16
● 2026-04-06 04:33:06
○MXvdmx1.asahi-net.or.jp2015-10-26 → 2018-07-27 · 4 obs
● 2018-07-27 16:24:40
○ 2026-02-15 16:56:16
○ 2026-04-06 04:33:06
○MXvdmx2.asahi-net.or.jp2015-10-26 → 2018-07-27 · 4 obs
● 2018-07-27 16:24:40
○ 2026-02-15 16:56:16
○ 2026-04-06 04:33:06
●A110.4.189.2372015-06-09 → 2026-04-06 · 2 obs
● 2026-04-06 04:33:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| koba-web.com | skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp | - |
✅ Authoritative Response
Server:202.224.39.151
NS records: skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koba-web.com (unsigned zone)
⏱️ Timing
Total: 1166ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 110.4.189.237 |
| NS | 2 | skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp |
| MX | 2 | asahinet-mx-v4.xspmail.jp (pri: 10), asahinet-mx-v6.xspmail.jp (pri: 20) |
| TXT | 1 | v=spf1 include:spf-01.asahi-net.or.jp ?a |
| SOA | 1 | skyhawk.asahi-net.or.jp postmaster.mmjp. |
Analysis
IP Addresses
koba-web.com resolves to one IP number: 110.4.189.237.
Other host names, for example z189237.ppp.asahi-net.or.jp, share IP numbers with koba-web.com.
Name Servers
koba-web.com's delegation uses two name servers: skyhawk.asahi-net.or.jp and tomcat.asahi-net.or.jp.
koba-web.com uses the same name server setup as other domains, such as toyo-reinetu.co.jp, naviako.com, ati-koriyama.com, scoopman.co.jp and arai-gumi.com.
koba-web.com at least partially shares name servers with other domains, including is-dock.com, wub.co.jp, nisshobo.co.jp, gyochan.com and takaoehara.jp.
Host names with a single IP address: skyhawk.asahi-net.or.jp points to 202.224.39.151; tomcat.asahi-net.or.jp points to 202.224.39.150.
Mail Servers
koba-web.com is served by two mail servers asahinet-mx-v4.xspmail.jp and asahinet-mx-v6.xspmail.jp.
koba-web.com shares the same mail server setup as other domains, for instance tora.email.ne.jp, ktbep.com, meru-p.com, 183.jp and syunsai.com.
koba-web.com shares at least some mail servers with other domains, for example setakyo.com, fukien.co.jp, euasys.com, sendme.email.ne.jp and fana.co.jp.
Host names with a single IP address: asahinet-mx-v4.xspmail.jp points to 202.238.198.54; asahinet-mx-v6.xspmail.jp points to 2001:240:bb81:94:202:238:198:54.