icnw.jp - robtex.com
icnw.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | zns3.so-net.ne.jp ⚠️ Not in zone NS records | ||||||
| A | 210.139.255.33🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | zns3.so-net.ne.jp | ||||||
| NS | zns4.so-net.ne.jp ⚠️ Not in zone NS records | ||||||
| A | 210.139.255.34🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | zns4.so-net.ne.jp | ||||||
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=1781499603 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSzns3.so-net.ne.jp2026-05-13 → 2026-06-15 · 2 obs
● 2026-06-15 05:33:38
●NSzns4.so-net.ne.jp2026-05-13 → 2026-06-15 · 2 obs
● 2026-06-15 05:33:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| icnw.jp | zns4.so-net.ne.jp, zns3.so-net.ne.jp | 2 records |
✅ Authoritative Response
Server:210.139.255.34
NS records: zns4.so-net.ne.jp, zns3.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for icnw.jp (unsigned zone)
⏱️ Timing
Total: 1567ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (zns3.so-net.ne.jp, zns4.so-net.ne.jp)
Analysis
Name Servers
The NS records for icnw.jp delegate to zns3.so-net.ne.jp and zns4.so-net.ne.jp.
icnw.jp uses the same name servers as several other domains — among them 35.128.211.in-addr.arpa, 205.198.123.in-addr.arpa, 120.168.182.in-addr.arpa and two more.
icnw.jp shares at least some of its name servers with other domains, including 148.147.157.in-addr.arpa, 193.213.202.in-addr.arpa, 20.134.223.in-addr.arpa and two others.
These name servers are frequently seen alongside the name servers zns.so-net.ne.jp.
zns3.so-net.ne.jp and zns4.so-net.ne.jp each resolve to one IP number: zns3.so-net.ne.jp points to 210.139.255.33 and zns4.so-net.ne.jp points to 210.139.255.34.