mathsoc.jp - robtex.com
mathsoc.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.120.11.52🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| 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 | servervps02.mathsoc.jp ⭐ | ||||||
| A | 133.125.34.249🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | servervps02.mathsoc.jp | ||||||
| TXT | v=spf1 +ip4:153.126.192.10 +ip4:133.125.34.249 ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-12-06 #1 | ||||||
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=1771290902 | ||||||
rank #5791 in the tld
WOT: SAFE (80/100)
📈 Tranco rank: #663,874
Subdomains
server11.mathsoc.jp |
servervps02.mathsoc.jp |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○MXserver03.mathsoc.jp2015-08-19 → 2016-07-28 · 4 obs
● 2016-07-28 18:19:36
○ 2026-02-23 13:38:40
○ 2026-03-11 12:18:28
●MXservervps02.mathsoc.jp2026-02-23 → 2026-03-11 · 3 obs
● 2026-02-23 13:38:40
● 2026-03-11 12:18:28
●A153.120.11.522026-02-23 → 2026-03-11 · 3 obs
● 2026-02-23 13:38:40
● 2026-03-11 12:18:28
○A49.212.99.542015-08-19 → 2016-07-28 · 4 obs
● 2016-07-28 18:19:36
○ 2026-02-23 13:38:40
○ 2026-03-11 12:18:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| mathsoc.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server: 133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathsoc.jp (unsigned zone)
⏱️ Timing
Total: 909ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.120.11.52 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | servervps02.mathsoc.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:153.126.192.10 +ip4:133.125. |
| 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
mathsoc.jp is a parent of server11.mathsoc.jp and servervps02.mathsoc.jp.
IP Addresses
mathsoc.jp points to a single IP address: 153.120.11.52.
Other host names, for instance server11.mathsoc.jp, share IP numbers with mathsoc.jp.
Name Servers
mathsoc.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
mathsoc.jp at least partially shares name servers with other domains, for example ps5.sakura.ne.jp, ryohin.jp, somatics.jp, sapporo-skid.sakura.ne.jp and to(0x73686974)o.com.
these name servers are commonly used alongside dns.sakura.ad.jp name servers.
Host names with a single IP address:
master.dns.ne.jp resolves to 210.224.172.18.
ns1.dns.ne.jp resolves to 61.211.236.1.
ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
The servervps02.mathsoc.jp mail server handles mathsoc.jp.
servervps02.mathsoc.jp points to a single IP number: 133.125.34.249.