round-zero.jp - robtex.com
round-zero.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.143.102.219🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox | ||||||
| PTR | ns.round-zero.jp | ||||||
| NS | ns.round-zero.jp ⭐ | ||||||
| A | 210.143.102.219🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox | ||||||
| PTR | ns.round-zero.jp | ||||||
| NS | dns2.ixent.ne.jp | ||||||
| A | 210.143.106.4🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox | ||||||
| PTR | dns2.ixent.ne.jp | ||||||
| MX | mail.round-zero.jp ⭐ | ||||||
| A | 210.143.102.219🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox | ||||||
| PTR | ns.round-zero.jp | ||||||
| TXT | MS=4CF255BBBBE606B6C98E7FF2E8F05A6611573344 | ||||||
| TXT | v=spf1 ip4:210.143.102.219 ~all | ||||||
| SOA | ns.round-zero.jproot@round-zero.jp 2013-10-07 #6 | ||||||
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=1778565603 | ||||||
Subdomains
Same first word
round-zero.jp |
DNS History
4 records (4 active, 0 former)
●NSdns2.ixent.ne.jp2015-08-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:24:38
●NSns.round-zero.jp2015-08-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:24:38
●MXmail.round-zero.jp2015-08-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:24:38
●A210.143.102.2192015-08-04 → 2026-05-12 · 2 obs
● 2026-05-12 06:24:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| round-zero.jp | dns2.ixent.ne.jp, ns.round-zero.jp | 2 records |
✅ Authoritative Response
Server:210.143.106.4
NS records: dns2.ixent.ne.jp, ns.round-zero.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for round-zero.jp (unsigned zone)
⏱️ Timing
Total: 910ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.143.102.219 |
| NS | 2 | dns2.ixent.ne.jp, ns.round-zero.jp |
| MX | 1 | mail.round-zero.jp (pri: 10) |
| TXT | 2 | MS=4CF255BBBBE606B6C98E7FF2E8F05A6611573, v=spf1 ip4:210.143.102.219 ~all |
| SOA | 1 | ns.round-zero.jp root.round-zero.jp |
📌 Glue Records Collected
Total: 2
In-bailiwick: 1 (ns.round-zero.jp)
Out-of-bailiwick: 1 (dns2.ixent.ne.jp)
Analysis
Hierarchy
round-zero.jp is the parent of ns.round-zero.jp and mail.round-zero.jp.
IP Addresses
round-zero.jp points to an IP address: 210.143.102.219.
other host names include dl-jardin.com, mail.kankyo-design.jp, mail.round-zero.jp, mail.dl-jardin.com and ns.round-zero.jp; they share IP numbers with round-zero.jp.
Name Servers
Two name servers ns.round-zero.jp and dns2.ixent.ne.jp handle the delegation for round-zero.jp.
round-zero.jp at least partially shares name servers with other domains, for instance mep-it2.jp, kamatile.com, natureland.com, 2145.jp and shakujii-club.gr.jp.
these name servers are commonly used with dns1.ixent.ne.jp, ns.kssrv.jp, ns.mep-it2.jp, ns.my-do2.com, ns.suyama-group.co.jp, ns.mountain-j.com, ns.jadv.co.jp, ns.jonasun.com, ns.jca-can.or.jp and ns.oldtimer.jp.
Host names with one IP:
ns.round-zero.jp points to: 210.143.102.219
dns2.ixent.ne.jp points to: 210.143.106.4
Mail Servers
round-zero.jp is handled by a single mail server, mail.round-zero.jp.
The host name mail.round-zero.jp points to IP 210.143.102.219.