dubleve.jp - robtex.com
dubleve.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 59.106.13.44🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www414.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 | dubleve.jp ⭐ | ||||||
| A | 59.106.13.44🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www414.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www414.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-01-05 #24 | ||||||
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=1785015003 | ||||||
MX for
dubleve.jp |
Same first word
Similar names
blueved.com |
beluved.net |
bluedev.com.au |
bluedev.org |
bluedev.ir |
lubedev.com |
bluedev.us |
bluedev.com |
evdebul.com |
bluedev.fr |
devblue.com |
devblue.de |
bluedev.co.uk |
bluedev.eu |
bluedev.net |
DNS History
6 records (5 active, 1 former)
●MXdubleve.jp2015-06-19 → 2026-07-25 · 2 obs
● 2026-07-25 21:48:34
○A219.94.128.1942015-06-19 → 2016-07-18 · 4 obs
● 2016-07-18 09:48:06
○ 2017-03-13 20:46:28
○ 2026-07-25 21:48:34
●A59.106.13.442017-03-13 → 2026-07-25 · 3 obs
● 2017-03-13 20:46:28
● 2026-07-25 21:48:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, g.dns.jp, d.dns.jp, b.dns.jp... | - |
| dubleve.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 dubleve.jp (unsigned zone)
⏱️ Timing
Total: 1116ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 59.106.13.44 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | dubleve.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www414.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
dubleve.jp acts as its own mail server.
IP Addresses
dubleve.jp points to a single IP number: 59.106.13.44.
Additional host names — ashiato.jp, ibitsu.net, shibata-nouen.com and two others — share IP numbers with dubleve.jp.
Name Servers
Three name servers are authoritative for dubleve.jp: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
There is at least partial name server overlap between dubleve.jp and other domains — dbsisters.com, icpc.gr.jp, unerencontreafricaine.com and two more among them.
These name servers are routinely deployed together with the name servers dns.sakura.ad.jp.
Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
dubleve.jp has a single mail server: dubleve.jp itself.
There is one IP number for dubleve.jp: 59.106.13.44.