to-one.jp - robtex.com
to-one.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.167.8.38🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5128.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | to-one.jp ⭐ | ||||||
| A | 133.167.8.38🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5128.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www5128.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-05-28 #2 | ||||||
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=1786707902 | ||||||
MX for
to-one.jp |
Subdomains
www.to-one.jp |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXto-one.jp2015-06-29 → 2026-08-14 · 2 obs
● 2026-08-14 11:58:22
●A133.167.8.382026-03-09 → 2026-08-14 · 3 obs
● 2026-03-09 12:18:38
● 2026-08-14 11:58:22
○A49.212.180.372015-06-29 → 2016-12-19 · 4 obs
● 2016-12-19 08:44:52
○ 2026-03-09 12:18:38
○ 2026-08-14 11:58:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, a.dns.jp, g.dns.jp, e.dns.jp... | - |
| to-one.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for to-one.jp (unsigned zone)
⏱️ Timing
Total: 1764ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.8.38 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | to-one.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www5128.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
to-one.jp serves as the parent of www.to-one.jp.
Mail Server Role
The MX record for to-one.jp points back to to-one.jp — it is its own mail server.
IP Addresses
to-one.jp directs to one IP number, which is 133.167.8.38.
Among the host names that share IP numbers with to-one.jp are mail.atpat.jp, wly.jp, mail.nrw.toybit.net and two others.
Name Servers
to-one.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
to-one.jp has at least partial name server overlap with other domains, such as consa.jp, hinadori.ed.jp, 2011.libraryfair.jp and two others.
master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.
Mail Servers
The MX record for to-one.jp points to a single mail server: to-one.jp.
to-one.jp resolves to 133.167.8.38 and no other IP number.