select-one.jp - robtex.com
select-one.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.123.98🇯🇵 GMO-INTERNET160.251.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | sv01.k3u.jp | ||||||
| NS | sv01.k3u.jp ⭐ | ||||||
| A | 160.251.123.98🇯🇵 GMO-INTERNET160.251.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | sv01.k3u.jp | ||||||
| NS | sv02.k3u.jp | ||||||
| A | 49.212.144.194🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | sv02.k3u.jp | ||||||
| MX | select-one.jp ⭐ | ||||||
| A | 160.251.123.98🇯🇵 GMO-INTERNET160.251.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | sv01.k3u.jp | ||||||
| TXT | v=spf1 ip4:160.251.123.98 a mx ~all | ||||||
| SOA | sv01.k3u.jpwebmaster@select-one.jp 2023-02-23 #3 | ||||||
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=1784306702 | ||||||
MX for
select-one.jp |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NS01.dnsv.jp2015-08-01 → 2020-02-09 · 4 obs
● 2020-02-09 01:11:14
○ 2026-04-27 12:00:10
○ 2026-07-17 17:21:50
○NS02.dnsv.jp2015-08-01 → 2020-02-09 · 4 obs
● 2020-02-09 01:11:14
○ 2026-04-27 12:00:10
○ 2026-07-17 17:21:50
○NS03.dnsv.jp2015-08-01 → 2020-02-09 · 4 obs
● 2020-02-09 01:11:14
○ 2026-04-27 12:00:10
○ 2026-07-17 17:21:50
○NS04.dnsv.jp2015-08-01 → 2020-02-09 · 4 obs
● 2020-02-09 01:11:14
○ 2026-04-27 12:00:10
○ 2026-07-17 17:21:50
●NSsv01.k3u.jp2026-04-27 → 2026-07-17 · 3 obs
● 2026-04-27 12:00:10
● 2026-07-17 17:21:50
●NSsv02.k3u.jp2026-04-27 → 2026-07-17 · 3 obs
● 2026-04-27 12:00:10
● 2026-07-17 17:21:50
○MXmail3.element-jpn.com2015-08-01 → 2020-02-09 · 4 obs
● 2020-02-09 01:11:14
○ 2026-04-27 12:00:10
○ 2026-07-17 17:21:50
●MXselect-one.jp2026-04-27 → 2026-07-17 · 3 obs
● 2026-04-27 12:00:10
● 2026-07-17 17:21:50
●A160.251.123.982026-04-27 → 2026-07-17 · 3 obs
● 2026-04-27 12:00:10
● 2026-07-17 17:21:50
○A211.5.94.362015-08-01 → 2020-02-09 · 4 obs
● 2020-02-09 01:11:14
○ 2026-04-27 12:00:10
○ 2026-07-17 17:21:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, a.dns.jp, f.dns.jp, g.dns.jp... | - |
| select-one.jp | sv01.k3u.jp, sv02.k3u.jp | 2 records |
✅ Authoritative Response
Server:160.251.123.98
NS records: sv01.k3u.jp, sv02.k3u.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for select-one.jp (unsigned zone)
⏱️ Timing
Total: 920ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.123.98 |
| NS | 2 | sv01.k3u.jp, sv02.k3u.jp |
| MX | 1 | select-one.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:160.251.123.98 a mx ~all |
| SOA | 1 | sv01.k3u.jp webmaster.select-one.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (sv01.k3u.jp, sv02.k3u.jp)
Analysis
Mail Server Role
select-one.jp serves as a mail server for select-one.jp.
IP Addresses
select-one.jp has exactly one IP address — 160.251.123.98.
kaimasu-kansai.com, co-cnt.com, k3u.jp plus two other host names have IP numbers in common with select-one.jp.
Name Servers
select-one.jp has two authoritative name servers — sv01.k3u.jp and sv02.k3u.jp.
The name server configuration of select-one.jp is shared with other domains, for instance obara.pro, kaimasu-kansai.com, miu-aroma.com and two others.
Both sv01.k3u.jp and sv02.k3u.jp have a single IP address each — sv01.k3u.jp resolves to 160.251.123.98 while sv02.k3u.jp resolves to 49.212.144.194.
Mail Servers
select-one.jp uses exactly one mail server, which is select-one.jp.
select-one.jp points to one IP number — 160.251.123.98.