nextcorp.co.jp - robtex.com
nextcorp.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.78.125.13🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www513b.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 | nextcorp.co.jp ⭐ | ||||||
| A | 112.78.125.13🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www513b.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www513b.sakura.ne.jp mx include:spfgw.fsi.ne.jp ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-03-26 #6 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
nextcorp.co.jp |
Subdomains
mail.nextcorp.co.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXnextcorp.co.jp2015-07-06 → 2026-08-02 · 2 obs
● 2026-08-02 12:45:58
●A112.78.125.132015-07-06 → 2026-08-02 · 2 obs
● 2026-08-02 12:45:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| nextcorp.co.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nextcorp.co.jp (unsigned zone)
⏱️ Timing
Total: 875ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.78.125.13 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | nextcorp.co.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www513b.sakura.ne.jp mx include |
| 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
nextcorp.co.jp serves as the parent of mail.nextcorp.co.jp.
Mail Server Role
The MX record for nextcorp.co.jp points back to nextcorp.co.jp — it is its own mail server.
IP Addresses
nextcorp.co.jp directs to one IP number, which is 112.78.125.13.
Among the host names that share IP numbers with nextcorp.co.jp are 3riku.co.jp, jms-teijin.co.jp, umeotome.jp and two others.
Name Servers
nextcorp.co.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
nextcorp.co.jp has at least partial name server overlap with other domains, such as asatatsu.net, 198.127.153.in-addr.arpa, violin-fumi-fukuda.com and two others.
It is common to find these name servers paired with the name servers dns.sakura.ad.jp.
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 nextcorp.co.jp points to a single mail server: nextcorp.co.jp.
nextcorp.co.jp resolves to 112.78.125.13 and no other IP number.