isforum.jp - robtex.com
isforum.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 202.181.97.54๐ฏ๐ต SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www244.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp โญ | ||||||
| A | 210.224.172.18๐ฏ๐ต 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 | 61.211.236.1๐ฏ๐ต 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 | 133.167.21.1๐ฏ๐ต 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 | isforum.jp โญ | ||||||
| A | 202.181.97.54๐ฏ๐ต SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www244.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www244.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-06-11 #1 | ||||||
jp
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | z.dns.jp โญ | ||||||
| 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=1784466903 | ||||||
MX for
isforum.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
โNSmaster.dns.ne.jp2015-05-31 โ 2026-07-19 ยท 2 obs
โ 2026-07-19 13:20:30
โMXisforum.jp2015-05-31 โ 2026-07-19 ยท 2 obs
โ 2026-07-19 13:20:30
โA202.181.97.542015-05-31 โ 2026-07-19 ยท 2 obs
โ 2026-07-19 13:20:30
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| isforum.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
โ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for isforum.jp (unsigned zone)
โฑ๏ธ Timing
Total: 4244ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.181.97.54 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | isforum.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www244.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
๐ Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Mail Server Role
isforum.jp handles its own mail, functioning as its own mail server.
IP Addresses
isforum.jp resolves to just one IP address, 202.181.97.54.
Two other host names, along with 51athome.net, honey.mints.ne.jp and it-plan.net, also share IP numbers with isforum.jp.
Name Servers
Three name servers are authoritative for isforum.jp: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
isforum.jp has at least partial name server overlap with other domains, such as mi-tec.jp, choyo.kikumori.co.jp, eightsc.com and two others.
It is common to find these name servers paired with the name servers dns.sakura.ad.jp.
Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
isforum.jp is served by just one mail server: isforum.jp.
There is one IP number for isforum.jp: 202.181.97.54.