alpha-sp.co.jp - robtex.com
alpha-sp.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 59.106.27.233🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www1993.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 | alpha-sp.co.jp ⭐ | ||||||
| A | 59.106.27.233🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www1993.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1993.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-08-21 #0 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
alpha-sp.co.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXalpha-sp.co.jp2018-07-24 → 2026-07-20 · 2 obs
● 2026-07-20 21:19:16
●A59.106.27.2332018-07-24 → 2026-07-20 · 2 obs
● 2026-07-20 21:19:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, f.dns.jp, a.dns.jp, c.dns.jp... | - |
| alpha-sp.co.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alpha-sp.co.jp (unsigned zone)
⏱️ Timing
Total: 413ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 59.106.27.233 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | alpha-sp.co.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www1993.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
Mail Server Role
The MX record for alpha-sp.co.jp points back to alpha-sp.co.jp — it is its own mail server.
IP Addresses
alpha-sp.co.jp directs to one IP number, which is 59.106.27.233.
Among the host names that share IP numbers with alpha-sp.co.jp are takanotsu.me, dust-control.or.jp, enwo.xii.jp and two others.
Name Servers
Three name servers are authoritative for alpha-sp.co.jp: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
alpha-sp.co.jp shares at least some of its name servers with other domains, including kaede.org, komebitu-kun.jp, pasokura.com and two others.
These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.
Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
The MX record for alpha-sp.co.jp points to a single mail server: alpha-sp.co.jp.
There is one IP number for alpha-sp.co.jp: 59.106.27.233.