iselab.jp - robtex.com
iselab.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.180.164🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2724.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 | iselab.jp ⭐ | ||||||
| A | 49.212.180.164🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2724.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2724.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-08-28 #24 | ||||||
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=1785285902 | ||||||
MX for
iselab.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXiselab.jp2019-04-10 → 2026-07-29 · 2 obs
● 2026-07-29 01:28:44
●A49.212.180.1642019-04-10 → 2026-07-29 · 2 obs
● 2026-07-29 01:28:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, a.dns.jp, h.dns.jp, c.dns.jp... | - |
| iselab.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for iselab.jp (unsigned zone)
⏱️ Timing
Total: 688ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.180.164 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | iselab.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www2724.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
Mail Server Role
iselab.jp is listed as a mail server for itself.
IP Addresses
iselab.jp resolves to one IP address: 49.212.180.164.
mikado-kohgei.com, effco.sakura.ne.jp, tanshayayoshida.com and two other host names share IP numbers with iselab.jp.
Name Servers
iselab.jp has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least some of iselab.jp's name servers are shared with other domains, for example iwasaki-cl.com, nekoroku.net, haneoto.net and two more.
These name servers tend to be used in conjunction with the name servers dns.sakura.ad.jp.
Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
Mail for iselab.jp is handled by one mail server — iselab.jp.
iselab.jp points to one IP number — 49.212.180.164.