superfit.jp - robtex.com
superfit.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.167.29.97🇯🇵 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 | 97.29.167.133.static.www3139.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 | superfit.jp ⭐ | ||||||
| A | 133.167.29.97🇯🇵 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 | 97.29.167.133.static.www3139.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3139.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2021-11-26 #0 | ||||||
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=1780633802 | ||||||
MX for
superfit.jp |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2026-06-05 → 2026-06-05 · 3 obs
● 2026-06-05 04:42:32
● 2026-06-05 04:42:34
○NSns1.digitalocean.com2020-02-19 → 2020-02-19 · 3 obs
○ 2026-06-05 04:42:32
○ 2026-06-05 04:42:34
●NSns1.dns.ne.jp2026-06-05 → 2026-06-05 · 3 obs
● 2026-06-05 04:42:32
● 2026-06-05 04:42:34
○NSns2.digitalocean.com2020-02-19 → 2020-02-19 · 3 obs
○ 2026-06-05 04:42:32
○ 2026-06-05 04:42:34
●NSns2.dns.ne.jp2026-06-05 → 2026-06-05 · 3 obs
● 2026-06-05 04:42:32
● 2026-06-05 04:42:34
○NSns3.digitalocean.com2020-02-19 → 2020-02-19 · 3 obs
○ 2026-06-05 04:42:32
○ 2026-06-05 04:42:34
●MXsuperfit.jp2026-06-05 → 2026-06-05 · 2 obs
● 2026-06-05 04:42:34
●A133.167.29.972026-06-05 → 2026-06-05 · 3 obs
● 2026-06-05 04:42:32
● 2026-06-05 04:42:34
○A206.189.170.2182020-02-19 → 2020-02-19 · 3 obs
○ 2026-06-05 04:42:32
○ 2026-06-05 04:42:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, h.dns.jp, e.dns.jp, g.dns.jp... | - |
| superfit.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for superfit.jp (unsigned zone)
⏱️ Timing
Total: 3053ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.29.97 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | superfit.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3139.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Mail Server Role
The MX record for superfit.jp points back to superfit.jp — it is its own mail server.
IP Addresses
superfit.jp directs to one IP number, which is 133.167.29.97.
Name Servers
superfit.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
There is at least partial name server overlap between superfit.jp and other domains — drip-life.com, toto-club.net, hashizou.com and two more among them.
These name servers are routinely deployed together with the name servers dns.sakura.ad.jp.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: 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 superfit.jp points to a single mail server: superfit.jp.
superfit.jp resolves to a single IP number: 133.167.29.97.