4koma.com - robtex.com
4koma.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.117.196.43🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | taka2.info | ||||||
| NS | ns2.doga.co.jp ⭐ | ||||||
| A | 219.117.196.43🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | taka2.info | ||||||
| NS | ns.doga.co.jp | ||||||
| A | 219.117.196.238🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | doga.jp | ||||||
| MX | mail.4koma.com ⭐ | ||||||
| A | 219.117.196.43🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | taka2.info | ||||||
| MX | mail.doga.co.jp(100) | ||||||
| A | 219.117.196.238🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | doga.jp | ||||||
| MX | mail.doga.jp(500) | ||||||
| A | 219.117.196.238🇯🇵 InfoSphere219.117.192.0/18 INTERLINK | ||||||
| PTR | doga.jp | ||||||
| TXT | google-site-verification=o_mjjpgzqx9AUHG5FuSoDrqf_gH4t5yQjF9Xq4mrjK0 | ||||||
| TXT | v=spf1 include:spf.4koma.com ~all | ||||||
| SOA | ns.doga.co.jppostmaster@doga.co.jp 2025-03-06 #2 | ||||||
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=1771291435 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns.doga.co.jp2015-06-26 → 2026-03-24 · 2 obs
● 2026-03-24 10:53:16
●NSns2.doga.co.jp2015-06-26 → 2026-03-24 · 2 obs
● 2026-03-24 10:53:16
●MXmail.4koma.com2015-06-26 → 2026-03-24 · 2 obs
● 2026-03-24 10:53:16
●MXmail.doga.co.jp2015-06-26 → 2026-03-24 · 2 obs
● 2026-03-24 10:53:16
●A219.117.196.432015-06-26 → 2026-03-24 · 2 obs
● 2026-03-24 10:53:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| 4koma.com | ns.doga.co.jp, ns2.doga.co.jp | - |
✅ Authoritative Response
Server:219.117.196.238
NS records: ns.doga.co.jp, ns2.doga.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4koma.com (unsigned zone)
⏱️ Timing
Total: 1581ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.117.196.43 |
| NS | 2 | ns2.doga.co.jp, ns.doga.co.jp |
| MX | 3 | mail.4koma.com (pri: 10), mail.doga.co.jp (pri: 100)... |
| TXT | 2 | google-site-verification=o_mjjpgzqx9AUHG, v=spf1 include:spf.4koma.com ~all |
| SOA | 1 | ns.doga.co.jp postmaster.doga.co.jp |
Analysis
Hierarchy
4koma.com is a parent of www.4koma.com and mail.4koma.com.
IP Addresses
4koma.com maps to IP address 219.117.196.43.
Other host names, for instance www.4koma.com, taka2.info, 4koma.jp, mail.4koma.com and ns2.doga.co.jp share IP numbers with 4koma.com.
Name Servers
Two name servers ns2.doga.co.jp and ns.doga.co.jp are delegated to 4koma.com.
4koma.com uses the same name server setup as taka2.info and 4koma.jp.
4koma.com shares name servers with other domains at least partially, for instance doga.jp and doga.co.jp.
These name servers are commonly used with ns.doga.jp and ns-tk011.ocn.ad.jp.
Host names with a single IP address:
ns2.doga.co.jp points to 219.117.196.43
ns.doga.co.jp points to 219.117.196.238
Mail Servers
4koma.com is handled by three mail servers: mail.4koma.com, mail.doga.jp and mail.doga.co.jp.
4koma.com shares mail servers with other domains, at least partially, for instance doga.co.jp, taka2.info, 4koma.jp and doga.jp.
These mail servers are commonly used together with mail.4koma.jp and mail2.doga.co.jp.
Hostnames with a single IP:
mail.4koma.com points to 219.117.196.43
mail.doga.jp points to 219.117.196.238
mail.doga.co.jp points to 219.117.196.238
Hostnames resolving to 219.117.196.238: mail.doga.jp and mail.doga.co.jp