robert.jp - dns.ninja
robert.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.183.102.22🇺🇸 Amazon54.183.0.0/17 EC2 SFO prefix | ||||||
| PTR | ec2-54-183-102-22.us-west-1.compute.amazonaws.com | ||||||
| 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 | robert-smkt.sakura.ne.jp ⭐ | ||||||
| A | 153.127.214.213🇯🇵 SAKURA-A153.127.192.0/19 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www4073.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www4073.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2020-10-08 #0 | ||||||
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=1783281602 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSmaster.dns.ne.jp2026-03-04 → 2026-07-05 · 3 obs
● 2026-03-04 23:02:40
● 2026-07-05 20:10:34
●NSns1.dns.ne.jp2026-03-04 → 2026-07-05 · 3 obs
● 2026-03-04 23:02:40
● 2026-07-05 20:10:34
○NSns1.sedoparking.com2015-06-26 → 2015-06-26 · 3 obs
○ 2017-01-05 09:49:46
○ 2026-07-05 20:10:34
●NSns2.dns.ne.jp2026-03-04 → 2026-07-05 · 3 obs
● 2026-03-04 23:02:40
● 2026-07-05 20:10:34
○NSns2.sedoparking.com2015-06-26 → 2015-06-26 · 3 obs
○ 2017-01-05 09:49:46
○ 2026-07-05 20:10:34
○MXmail.b-io.co2015-11-12 → 2016-05-07 · 5 obs
● 2015-11-12 02:36:20
● 2016-05-07 14:44:32
○ 2017-01-05 09:49:46
○ 2026-07-05 20:10:34
○MXmail.nickstel.com2015-06-26 → 2015-06-26 · 3 obs
○ 2015-11-12 02:36:20
○ 2026-07-05 20:10:34
●MXrobert-smkt.sakura.ne.jp2026-03-04 → 2026-07-05 · 3 obs
● 2026-03-04 23:02:40
● 2026-07-05 20:10:34
○A50.56.81.1192015-11-12 → 2016-05-07 · 5 obs
● 2015-11-12 02:36:20
● 2016-05-07 14:44:32
○ 2017-01-05 09:49:46
○ 2026-07-05 20:10:34
●A54.183.102.222026-03-04 → 2026-07-05 · 3 obs
● 2026-03-04 23:02:40
● 2026-07-05 20:10:34
○A72.52.4.1192015-06-26 → 2015-06-26 · 3 obs
○ 2015-11-12 02:36:20
○ 2026-07-05 20:10:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| robert.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 robert.jp (unsigned zone)
⏱️ Timing
Total: 992ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.183.102.22 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | robert-smkt.sakura.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www4073.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
IP Addresses
robert.jp has exactly one IP address — 54.183.102.22.
elyxium.com, monantic.com, thenumbersagency.com plus two other host names have IP numbers in common with robert.jp.
Name Servers
robert.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least some of robert.jp's name servers are shared with other domains, for example sims-d.com, skubo.jp, thinkandact.jp and two more.
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
robert.jp uses one mail server — robert-smkt.sakura.ne.jp.
robert.jp uses the same mail servers as other domains, including robert-smkt.sakura.ne.jp.
robert-smkt.sakura.ne.jp resolves to 153.127.214.213 and no other IP number.