alphamobile.jp - robtex.com
alphamobile.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.65.164.59🇯🇵 Amazon54.64.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-54-65-164-59.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | alpha-grp.sakura.ne.jp ⭐ | ||||||
| A | 153.120.113.142🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | 142.113.120.153.static.www7214m.sakura.ne.jp | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1764423837 | ||||||
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=1778747403 | ||||||
Previously MX for
alphamobile.jp |
Same first word
alphamobile.jp |
alphamobile.ru |
alphamobile.de |
alphamobile.eu |
alphamobile.org |
alphamobile.info |
alphamobile.gr |
alphamobile.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NS01.dnsv.jp2026-05-02 → 2026-05-14 · 3 obs
● 2026-05-02 00:44:26
● 2026-05-14 08:58:36
●NS02.dnsv.jp2026-05-02 → 2026-05-14 · 3 obs
● 2026-05-02 00:44:26
● 2026-05-14 08:58:36
●NS03.dnsv.jp2026-05-02 → 2026-05-14 · 3 obs
● 2026-05-02 00:44:26
● 2026-05-14 08:58:36
●NS04.dnsv.jp2026-05-02 → 2026-05-14 · 3 obs
● 2026-05-02 00:44:26
● 2026-05-14 08:58:36
○NSns1.do-reg.jp2015-06-08 → 2017-04-09 · 4 obs
● 2017-04-09 01:44:22
○ 2026-05-02 00:44:26
○ 2026-05-14 08:58:36
○NSns2.do-reg.jp2015-06-08 → 2017-04-09 · 4 obs
● 2017-04-09 01:44:22
○ 2026-05-02 00:44:26
○ 2026-05-14 08:58:36
●MXalpha-grp.sakura.ne.jp2026-05-02 → 2026-05-14 · 3 obs
● 2026-05-02 00:44:26
● 2026-05-14 08:58:36
○MXalphamobile.jp2015-06-08 → 2017-04-09 · 4 obs
● 2017-04-09 01:44:22
○ 2026-05-02 00:44:26
○ 2026-05-14 08:58:36
●A54.65.164.592015-06-08 → 2026-05-14 · 2 obs
● 2026-05-14 08:58:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, a.dns.jp, e.dns.jp, h.dns.jp... | - |
| alphamobile.jp | 02.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.33.53
NS records: 02.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alphamobile.jp (unsigned zone)
⏱️ Timing
Total: 388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.65.164.59 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | alpha-grp.sakura.ne.jp (pri: 10) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)
Analysis
IP Addresses
alphamobile.jp points to IP number: 54.65.164.59.
Other host names, for instance ec2-54-65-164-59.ap-northeast-1.compute.amazonaws.com share IP numbers with alphamobile.jp.
Name Servers
alphamobile.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
alphamobile.jp at least partially shares name servers with other domains, for instance 22ngs-jzt9nihr.com, ryobi-shodoshima.jp, dieb.jp, izanagigames.co.jp and bookkeeper.co.jp.
Two IPs per host:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53
One IP per host:
02.dnsv.jp points to 157.7.33.53
Mail Servers
alphamobile.jp is handled by a single mail server, alpha-grp.sakura.ne.jp.
The mail server setup for alphamobile.jp mirrors that of other domains, for instance alpha-grp.sakura.ne.jp.
alpha-grp.sakura.ne.jp points to a single IP: 153.120.113.142.