y7a.jp - robtex.com
y7a.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.151.82🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s251.xrea.com | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | y7a.jp ⭐ | ||||||
| A | 160.251.151.82🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | s251.xrea.com | ||||||
| TXT | v=spf1 ip4:160.251.151.82 ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@y7a.jp 2020-08-26 #18 | ||||||
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=1784926803 | ||||||
MX for
y7a.jp |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSns1.value-domain.com2015-07-13 → 2026-07-24 · 2 obs
● 2026-07-24 21:44:12
●NSns2.value-domain.com2015-07-13 → 2026-07-24 · 2 obs
● 2026-07-24 21:44:12
○MXmail.y7a.jp2016-06-02 → 2016-12-05 · 5 obs
● 2016-06-02 05:45:14
● 2016-12-05 23:38:18
○ 2020-01-21 06:31:32
○ 2026-07-24 21:44:12
●MXy7a.jp2015-07-13 → 2026-07-24 · 6 obs
● 2016-05-16 10:23:14
○ 2016-06-02 05:45:14
○ 2016-12-05 23:38:18
● 2020-01-21 06:31:32
● 2026-07-24 21:44:12
○A150.95.9.822020-01-21 → 2020-01-21 · 4 obs
● 2020-01-21 06:31:32
○ 2026-06-24 14:50:40
○ 2026-07-24 21:44:12
○A153.126.129.992016-06-02 → 2016-12-05 · 5 obs
● 2016-06-02 05:45:14
● 2016-12-05 23:38:18
○ 2020-01-21 06:31:32
○ 2026-07-24 21:44:12
●A160.251.151.822026-06-24 → 2026-07-24 · 3 obs
● 2026-06-24 14:50:40
● 2026-07-24 21:44:12
○A203.189.105.822015-07-13 → 2016-05-16 · 4 obs
● 2016-05-16 10:23:14
○ 2016-06-02 05:45:14
○ 2026-07-24 21:44:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, h.dns.jp, f.dns.jp, a.dns.jp... | - |
| y7a.jp | ns1.value-domain.com, ns2.value-domain.com | - |
✅ Authoritative Response
Server:172.64.53.3
NS records: ns1.value-domain.com, ns2.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for y7a.jp (unsigned zone)
⏱️ Timing
Total: 945ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.151.82 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 1 | y7a.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:160.251.151.82 ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.y7a.jp |
Analysis
Mail Server Role
y7a.jp is listed as a mail server for itself.
IP Addresses
y7a.jp resolves to one IP address: 160.251.151.82.
costsolution.net, matsumotos.net, mail.dreamizm.net and two other host names share IP numbers with y7a.jp.
Name Servers
The NS records for y7a.jp delegate to ns1.value-domain.com and ns2.value-domain.com.
y7a.jp uses the same name servers as several other domains — among them keirikyuyo.com, nidayoga.com, hanyu-7pillars.com and two more.
The name servers of y7a.jp overlap at least partially with those of other domains — among them unstyle.info, ma-factory.com, gbkyoto.com and two more.
These name servers commonly appear in delegations together with ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com and 3 other.
Both ns1.value-domain.com and ns2.value-domain.com have a single IP address each — ns1.value-domain.com resolves to 172.64.52.38 while ns2.value-domain.com resolves to 172.64.53.3.
Mail Servers
Mail for y7a.jp is handled by one mail server — y7a.jp.
y7a.jp resolves to 160.251.151.82 and no other IP number.