ppa.jp - robtex.com
ppa.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.129.55🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1045.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 | ppa.jp ⭐ | ||||||
| A | 219.94.129.55🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1045.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1045.sakura.ne.jp mx include:utage-system.com ~all | ||||||
| TXT | google-site-verification=NOr6na7gQaEsnreqq5gT4aJPwdKDXigITv_7dTfhNNo | ||||||
| TXT | google-site-verification=zyuzsfL_pgmenlHEU1tSjbxOlfh_NLBn_VbZAXAkazs | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2026-05-28 #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=1784841302 | ||||||
MX for
ppa.jp |
Subdomains
mail.ppa.jp |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2026-02-19 → 2026-07-23 · 3 obs
● 2026-02-19 07:21:04
● 2026-07-23 21:36:32
●NSns1.dns.ne.jp2026-02-19 → 2026-07-23 · 3 obs
● 2026-02-19 07:21:04
● 2026-07-23 21:36:32
●NSns2.dns.ne.jp2026-02-19 → 2026-07-23 · 3 obs
● 2026-02-19 07:21:04
● 2026-07-23 21:36:32
○NSns20.winserver.ne.jp2015-08-23 → 2016-05-28 · 10 obs
● 2015-10-20 15:05:38
○ 2015-10-27 22:23:02
○ 2015-11-12 02:43:56
● 2015-12-05 18:19:02
○ 2015-12-07 02:50:58
○ 2016-04-20 09:00:54
● 2016-05-28 16:05:16
○ 2026-02-19 07:21:04
○ 2026-07-23 21:36:32
○NSns21.winserver.ne.jp2015-08-23 → 2016-04-20 · 10 obs
○ 2015-09-13 18:32:34
○ 2015-10-20 15:05:38
● 2015-10-27 22:23:02
● 2015-11-12 02:43:56
○ 2015-12-05 18:19:02
● 2015-12-07 02:50:58
● 2016-04-20 09:00:54
○ 2016-05-28 16:05:16
○ 2026-07-23 21:36:32
○MXmail.ppa.jp2015-08-23 → 2016-05-28 · 4 obs
● 2016-05-28 16:05:16
○ 2026-02-19 07:21:04
○ 2026-07-23 21:36:32
●MXppa.jp2026-02-19 → 2026-07-23 · 3 obs
● 2026-02-19 07:21:04
● 2026-07-23 21:36:32
○A211.8.19.1502015-08-23 → 2016-05-28 · 4 obs
● 2016-05-28 16:05:16
○ 2026-02-19 07:21:04
○ 2026-07-23 21:36:32
●A219.94.129.552026-02-19 → 2026-07-23 · 3 obs
● 2026-02-19 07:21:04
● 2026-07-23 21:36:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, c.dns.jp, a.dns.jp, d.dns.jp... | - |
| ppa.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 ppa.jp (unsigned zone)
⏱️ Timing
Total: 794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.129.55 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | ppa.jp (pri: 10) |
| TXT | 3 | v=spf1 a:www1045.sakura.ne.jp mx include, google-site-verification=NOr6na7gQaEsnre... |
| 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
Hierarchy
mail.ppa.jp is a subdomain of ppa.jp.
Mail Server Role
ppa.jp handles its own mail, functioning as its own mail server.
IP Addresses
ppa.jp resolves to just one IP address, 219.94.129.55.
Two other host names, along with target-ent.com, kzhn4a.sakura.ne.jp and kenseitiku-kaigo.com, also share IP numbers with ppa.jp.
Name Servers
DNS for ppa.jp is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
The name servers of ppa.jp overlap at least partially with those of other domains — among them isa-art.com, n-nanzan.ed.jp, no-an.com and two more.
These name servers commonly appear in combination 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
ppa.jp is served by just one mail server: ppa.jp.
ppa.jp has exactly one IP number: 219.94.129.55.