esn.jp - robtex.com
esn.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.87.165🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www3925.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 | esn.jp ⭐ | ||||||
| A | 163.43.87.165🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www3925.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3925.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-08-09 #2 | ||||||
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=1784175303 | ||||||
MX for
esn.jp |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSmaster.dns.ne.jp2016-01-17 → 2026-07-16 · 3 obs
● 2016-01-17 01:35:38
● 2026-07-16 04:54:16
●NSns1.dns.ne.jp2016-01-17 → 2026-07-16 · 3 obs
● 2016-01-17 01:35:38
● 2026-07-16 04:54:16
○NSns1.secure.net2015-06-24 → 2015-10-31 · 4 obs
● 2015-10-31 22:33:52
○ 2016-01-17 01:35:38
○ 2026-07-16 04:54:16
●NSns2.dns.ne.jp2016-01-17 → 2026-07-16 · 3 obs
● 2016-01-17 01:35:38
● 2026-07-16 04:54:16
○NSns2.secure.net2015-06-24 → 2015-10-31 · 4 obs
● 2015-10-31 22:33:52
○ 2016-01-17 01:35:38
○ 2026-07-16 04:54:16
●MXesn.jp2015-06-24 → 2026-07-16 · 2 obs
● 2026-07-16 04:54:16
○A120.29.175.832015-06-24 → 2015-06-24 · 3 obs
○ 2015-10-31 22:33:52
○ 2026-07-16 04:54:16
○A153.122.130.1992015-10-31 → 2015-10-31 · 4 obs
● 2015-10-31 22:33:52
○ 2016-01-17 01:35:38
○ 2026-07-16 04:54:16
●A163.43.87.1652026-05-18 → 2026-07-16 · 3 obs
● 2026-05-18 04:35:42
● 2026-07-16 04:54:16
○A59.106.171.612016-01-17 → 2017-01-14 · 5 obs
● 2016-01-17 01:35:38
● 2017-01-14 09:16:08
○ 2026-05-18 04:35:42
○ 2026-07-16 04:54:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, f.dns.jp, b.dns.jp, e.dns.jp... | - |
| esn.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 esn.jp (unsigned zone)
⏱️ Timing
Total: 681ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.87.165 |
| NS | 2 | ns2.dns.ne.jp, ns1.dns.ne.jp |
| MX | 1 | esn.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3925.sakura.ne.jp mx ~all |
| 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
Mail Server Role
esn.jp acts as its own mail server.
IP Addresses
esn.jp points to a single IP number: 163.43.87.165.
Additional host names — calligraphy.jp, somei.jp, kgworks.net and two others — share IP numbers with esn.jp.
Name Servers
esn.jp has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least some of esn.jp's name servers are shared with other domains, for example msv-im10990.sakura.ne.jp, roys-ryosaiki.com, t-sk.com and two more.
Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
esn.jp has a single mail server: esn.jp itself.
esn.jp points to one IP number — 163.43.87.165.