dcom.jp - dns.ninja
dcom.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 59.106.171.36🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www2026.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 | dcom.jp ⭐ | ||||||
| A | 59.106.171.36🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www2026.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2026.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-02-02 #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=1786510802 | ||||||
MX for
dcom.jp |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NS01.dnsv.jp2015-08-23 → 2015-11-26 · 4 obs
● 2015-11-26 08:02:16
○ 2016-01-10 16:41:20
○ 2026-08-12 05:45:14
○NS02.dnsv.jp2015-08-23 → 2015-11-26 · 4 obs
● 2015-11-26 08:02:16
○ 2016-01-10 16:41:20
○ 2026-08-12 05:45:14
●NSmaster.dns.ne.jp2021-02-07 → 2026-08-12 · 3 obs
● 2021-02-07 16:03:04
● 2026-08-12 05:45:14
●NSns1.dns.ne.jp2021-02-07 → 2026-08-12 · 3 obs
● 2021-02-07 16:03:04
● 2026-08-12 05:45:14
●NSns2.dns.ne.jp2021-02-07 → 2026-08-12 · 3 obs
● 2021-02-07 16:03:04
● 2026-08-12 05:45:14
○NSns3.sphere.ad.jp2016-01-10 → 2017-10-01 · 5 obs
● 2016-01-10 16:41:20
● 2017-10-01 18:00:12
○ 2021-02-07 16:03:04
○ 2026-08-12 05:45:14
○NSns4.sphere.ad.jp2016-01-10 → 2017-10-01 · 5 obs
● 2016-01-10 16:41:20
● 2017-10-01 18:00:12
○ 2021-02-07 16:03:04
○ 2026-08-12 05:45:14
●MXdcom.jp2015-08-23 → 2026-08-12 · 2 obs
● 2026-08-12 05:45:14
○A1.33.176.682016-01-10 → 2017-10-01 · 5 obs
● 2016-01-10 16:41:20
● 2017-10-01 18:00:12
○ 2021-02-07 16:03:04
○ 2026-08-12 05:45:14
○A202.229.133.2292015-08-23 → 2015-11-26 · 4 obs
● 2015-11-26 08:02:16
○ 2016-01-10 16:41:20
○ 2026-08-12 05:45:14
●A59.106.171.362021-02-07 → 2026-08-12 · 3 obs
● 2021-02-07 16:03:04
● 2026-08-12 05:45:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| dcom.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 dcom.jp (unsigned zone)
⏱️ Timing
Total: 786ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 59.106.171.36 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | dcom.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www2026.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
dcom.jp serves as a mail server for dcom.jp.
IP Addresses
dcom.jp has exactly one IP address — 59.106.171.36.
cfr.sakura.ne.jp, mihashi384.jp, p-ne.jp plus two other host names have IP numbers in common with dcom.jp.
Name Servers
DNS for dcom.jp is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least some of dcom.jp's name servers are shared with other domains, for example k-baba1.com, polyfin.net, msv-im11031.sakura.ne.jp and two more.
These name servers tend to be used in conjunction with the name servers dns.sakura.ad.jp.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.
Mail Servers
dcom.jp uses exactly one mail server, which is dcom.jp.
dcom.jp has exactly one IP number: 59.106.171.36.