mx.btech.jp - robtex.com
mx.btech.jp
| DNSSEC | ⚠️ Not signed | ||||||
btech.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.227.151.153🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| NS | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| MX | mail2.btech.jp ⭐ | ||||||
| TXT | google-site-verification=TcWJTjyVnGnxk2y0aWm3hvTw6a-RRvPtQWLNOMHEsyA | ||||||
| TXT | v=spf1 ip4:140.227.151.153 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1773031323 | ||||||
Previously MX for
Same first word
Similar names
DNS History
2 records (0 active, 2 former)
○A113.212.106.1792015-06-01 → 2016-05-15 · 5 obs
○ 2008-02-05 01:39:38
● 2015-06-01 04:53:28
● 2016-05-15 17:37:12
○ 2026-04-24 13:32:36
○ 2026-04-24 13:32:38
● 2015-06-01 04:53:28
● 2016-05-15 17:37:12
○ 2026-04-24 13:32:36
○ 2026-04-24 13:32:38
○A210.174.205.112008-02-05 → 2008-02-05 · 3 obs
● 2008-02-05 01:39:38
○ 2015-06-01 04:53:28
○ 2026-04-24 13:32:38
○ 2015-06-01 04:53:28
○ 2026-04-24 13:32:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, c.dns.jp, f.dns.jp, a.dns.jp... | - |
| btech.jp | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for btech.jp (unsigned zone)
⏱️ Timing
Total: 915ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)