icgb.jp - robtex.com
icgb.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.19🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | icgb.jp ⭐ | ||||||
| A | 153.122.205.19🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| A | 210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| A | 210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss11.so-net.ne.jp | ||||||
| MX | mx.icgb.jp ⭐ | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | icgb.jphostmaster@icgb.jp serial=2602171610 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1778812203 | ||||||
NS for
icgb.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdnss10.so-net.ne.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-15 02:46:18
●NSdnss11.so-net.ne.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-15 02:46:18
●NSicgb.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-15 02:46:18
●MXmx.icgb.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-15 02:46:18
●A153.122.205.192026-05-13 → 2026-05-15 · 2 obs
● 2026-05-15 02:46:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| icgb.jp | dnss11.so-net.ne.jp, dnss10.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.1
NS records: dnss11.so-net.ne.jp, dnss10.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for icgb.jp (unsigned zone)
⏱️ Timing
Total: 1732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.19 |
| NS | 2 | dnss11.so-net.ne.jp, dnss10.so-net.ne.jp |
| MX | 1 | mx.icgb.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | icgb.jp hostmaster.icgb.jp |
Analysis
Name Server Role
icgb.jp serves as a name server for icgb.jp.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp commonly function as name servers alongside icgb.jp.
IP Addresses
icgb.jp resolves to one IP number: 153.122.205.19.
Other host names, for instance eletop.jp, cosmo-sangyou.com, studioview.co.jp, kiyoproject.com and honwaka.com share IP numbers with icgb.jp.
Name Servers
icgb.jp is delegated to three name servers: icgb.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
icgb.jp at least partially shares name servers with other domains, including bridgelink.jp, seibow.com, moto-kikaku.co.jp, deco-s.com and top-station.com.
Host names with a single IP:
icgb.jp points to 153.122.205.19; dnss10.so-net.ne.jp points to 210.139.255.1; dnss11.so-net.ne.jp points to 210.139.255.17.
Mail Servers
A single mail server handles icgb.jp, mx.icgb.jp.
Host name mx.icgb.jp resolves to a single IP: 153.122.206.114.