dc3.jp - robtex.com
dc3.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.128.224🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www984.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 | dc3.jp ⭐ | ||||||
| A | 219.94.128.224🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www984.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www984.sakura.ne.jp mx ~all | ||||||
| TXT | worksmobile-certification=8c2romvrlyqjcuhgmk-dioslgoddcnpsg-ogv506gh5 | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-01-31 #1 | ||||||
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=1781569803 | ||||||
MX for
dc3.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXdc3.jp2015-08-10 → 2026-06-16 · 2 obs
● 2026-06-16 01:10:44
●A219.94.128.2242015-08-10 → 2026-06-16 · 2 obs
● 2026-06-16 01:10:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| dc3.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 dc3.jp (unsigned zone)
⏱️ Timing
Total: 1113ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.128.224 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | dc3.jp (pri: 10) |
| TXT | 2 | v=spf1 a:www984.sakura.ne.jp mx ~all, worksmobile-certification=8c2romvrlyqjcu |
| 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 dc3.jp points back to dc3.jp — it is its own mail server.
IP Addresses
dc3.jp directs to one IP number, which is 219.94.128.224.
Among the host names that share IP numbers with dc3.jp are ussc.jp, kaneyama-tac.com, (0x73686974)ateru.com and two others.
Name Servers
dc3.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
dc3.jp partially shares its NS delegation with several other domains, including oto-yuyu-juku.sakura.ne.jp, taiyakan-kshop.info, thestarclub.com and two others.
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 dc3.jp points to a single mail server: dc3.jp.
dc3.jp resolves to 219.94.128.224 and no other IP number.