zero4.jp - robtex.com
zero4.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | zero4.jp ⭐ | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| MX | sonet-common-mx.xspmail.jp ⭐ | ||||||
| TXT | v=spf1 +include:plusdomain.spf.so-net.ne.jp ~all | ||||||
| SOA | zero4.jphostmaster@zero4.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=1778849102 | ||||||
NS for
zero4.jp |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdnss10.so-net.ne.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-13 08:21:12
● 2026-05-15 12:56:34
● 2026-05-15 12:56:34
●NSdnss11.so-net.ne.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-13 08:21:12
● 2026-05-15 12:56:34
● 2026-05-15 12:56:34
●NSzero4.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-13 08:21:12
● 2026-05-15 12:56:34
● 2026-05-15 12:56:34
●MXsonet-common-mx.xspmail.jp2026-05-13 → 2026-05-15 · 2 obs
● 2026-05-13 08:21:12
● 2026-05-15 12:56:34
● 2026-05-15 12:56:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| zero4.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 zero4.jp (unsigned zone)
⏱️ Timing
Total: 4206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp |
| MX | 1 | sonet-common-mx.xspmail.jp (pri: 10) |
| TXT | 1 | v=spf1 +include:plusdomain.spf.so-net.ne |
| SOA | 1 | zero4.jp hostmaster.zero4.jp |
Analysis
Name Server Role
zero4.jp serves as the name server for zero4.jp.
Typically, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are used as name servers together with zero4.jp.
Name Servers
zero4.jp is delegated to three name servers, zero4.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
Mail Servers
zero4.jp is handled by a single mail server, sonet-common-mx.xspmail.jp.