linuxmaster.jp - dns.ninja
linuxmaster.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.25.34🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | b33.coreserver.jp | ||||||
| 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 | ||||||
| NS | ns3.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns4.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns5.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | linuxmaster.jp ⭐ | ||||||
| A | 202.172.25.34🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | b33.coreserver.jp | ||||||
| TXT | google-site-verification=IkgIJy0nm8eVYyJjLbphiQd7ZZBNmHEL_5-pztzdskU | ||||||
| TXT | v=spf1 mx a:linuxmaster.jp ip4:202.172.25.34 ip4:13.113.181.244 ip4:52.68.244... | ||||||
| SOA | ns1.value-domain.comhostmaster@linuxmaster.jp 2026-07-16 #9 | ||||||
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=1784998803 | ||||||
MX for
linuxmaster.jp |
Same first word
linuxmaster.cloud |
linuxmaster.ru |
linuxmaster.be |
linuxmaster.cn |
linuxmaster.com |
linuxmaster.de |
linuxmaster.jp |
linuxmaster.co.kr |
linuxmaster.eu |
linuxmaster.in |
linuxmaster.net |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.value-domain.com2015-07-15 → 2026-07-25 · 2 obs
● 2026-07-25 17:42:04
●NSns2.value-domain.com2015-07-15 → 2026-07-25 · 2 obs
● 2026-07-25 17:42:04
●NSns3.value-domain.com2026-03-23 → 2026-07-25 · 3 obs
● 2026-03-23 16:05:02
● 2026-07-25 17:42:04
●NSns4.value-domain.com2026-03-23 → 2026-07-25 · 3 obs
● 2026-03-23 16:05:02
● 2026-07-25 17:42:04
●NSns5.value-domain.com2026-03-23 → 2026-07-25 · 3 obs
● 2026-03-23 16:05:02
● 2026-07-25 17:42:04
●MXlinuxmaster.jp2015-07-15 → 2026-07-25 · 2 obs
● 2026-07-25 17:42:04
●A202.172.25.342015-07-15 → 2026-07-25 · 2 obs
● 2026-07-25 17:42:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| linuxmaster.jp | ns1.value-domain.com, ns4.value-domain.com, ns2.value-domain.com, ns3.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns4.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns5.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxmaster.jp (unsigned zone)
⏱️ Timing
Total: 909ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.25.34 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 1 | linuxmaster.jp (pri: 10) |
| TXT | 2 | google-site-verification=IkgIJy0nm8eVYyJ, v=spf1 mx a:linuxmaster.jp ip4:202.172.2 |
| SOA | 1 | ns1.value-domain.com hostmaster.linuxmas |
Analysis
Mail Server Role
linuxmaster.jp serves as a mail server for linuxmaster.jp.
IP Addresses
linuxmaster.jp has exactly one IP address — 202.172.25.34.
tokushima-mokuzou.com, mail.lapisco.com, 7chord-z.com plus two other host names have IP numbers in common with linuxmaster.jp.
Name Servers
Five name servers handle delegation for linuxmaster.jp: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
At least some of linuxmaster.jp's name servers are shared with other domains, for example mocamoca.com, nopnop.org, poypoy.net and two more.
These name servers tend to appear together with the name servers ns4.value-domain.com, ns5.value-domain.com and ns11.value-domain.com, plus two others.
Host names resolving to a single IP address:
ns1.value-domain.com points to the IP address 172.64.52.38.
ns2.value-domain.com points to the IP address 172.64.53.3.
ns3.value-domain.com points to the IP address 172.64.52.38.
ns4.value-domain.com points to the IP address 172.64.53.3.
ns5.value-domain.com points to the IP address 172.64.52.38.
Three host names point to 172.64.52.38: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.
These two host names — ns2.value-domain.com and ns4.value-domain.com — each point to 172.64.53.3 IP addresses.
Mail Servers
linuxmaster.jp uses exactly one mail server, which is linuxmaster.jp.
There is one IP number for linuxmaster.jp: 202.172.25.34.