secondwind.jp - dns.ninja
secondwind.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.198.52🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2842.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 | secondwind.jp ⭐ | ||||||
| A | 49.212.198.52🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2842.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2013-02-27 #11 | ||||||
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=1782669603 | ||||||
MX for
secondwind.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXsecondwind.jp2015-06-29 → 2026-06-28 · 2 obs
● 2026-06-28 18:38:00
●A49.212.198.522015-06-29 → 2026-06-28 · 2 obs
● 2026-06-28 18:38:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, a.dns.jp, b.dns.jp, e.dns.jp... | - |
| secondwind.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 secondwind.jp (unsigned zone)
⏱️ Timing
Total: 1472ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.198.52 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | secondwind.jp (pri: 10) |
| 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
secondwind.jp serves as a mail server for secondwind.jp.
IP Addresses
secondwind.jp has exactly one IP address — 49.212.198.52.
mail.izumi-green.co.jp, makoto.ne.jp, kyotokurasu.sakura.ne.jp plus two other host names have IP numbers in common with secondwind.jp.
Name Servers
secondwind.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
secondwind.jp partially shares its NS delegation with several other domains, including maumauo.com, hh-promotions.com, yamasaki-cpa.com and two others.
These name servers often co-occur 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
secondwind.jp uses exactly one mail server, which is secondwind.jp.
secondwind.jp resolves to a single IP number: 49.212.198.52.