masaru.jp - robtex.com
masaru.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.243.33🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3523.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 | masaru.jp ⭐ | ||||||
| A | 49.212.243.33🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3523.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3523.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-05-10 #2 | ||||||
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=1776024002 | ||||||
MX for
masaru.jp |
Subdomains
www.masaru.jp |
Same first word
masaru.org |
masaru.si |
masaru.ac |
masaru.net |
masaru.co |
masaru.de |
masaru.me |
masaru.com |
masaru.biz |
masaru.jp |
masaru.co.jp |
masaru.at |
masaru.se |
masaru.nu |
masaru.co.uk |
Similar names
DNS History
6 records (5 active, 1 former)
●MXmasaru.jp2015-05-28 → 2026-04-12 · 2 obs
● 2026-04-12 21:01:20
○A202.181.99.682015-05-28 → 2017-05-18 · 4 obs
● 2017-05-18 19:40:24
○ 2026-03-26 20:09:32
○ 2026-04-12 21:01:20
●A49.212.243.332026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 20:09:32
● 2026-04-12 21:01:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| masaru.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 masaru.jp (unsigned zone)
⏱️ Timing
Total: 917ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.243.33 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | masaru.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3523.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
Hierarchy
masaru.jp is the parent of www.masaru.jp.
Mail Server Role
For masaru.jp, the mail server is masaru.jp.
IP Addresses
masaru.jp points to a single IP number: 49.212.243.33.
other host names for instance fusuishop.sakura.ne.jp, lighting-sound.com, bms-inc.net, atfweb.org and prosperity-s.com share IP numbers with masaru.jp.
Name Servers
masaru.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
masaru.jp at least partially shares name servers with other domains, for instance lab4ict.com, kei-style.com, j-friends.jp, t39.jp and mail.careersupply.co.jp.
Host names with one IP number:
master.dns.ne.jp points to 210.224.172.18.
ns1.dns.ne.jp points to 61.211.236.1.
ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
One mail server handles masaru.jp.
Host name masaru.jp points to IP address 49.212.243.33.