mb.questone.jp - robtex.com
mb.questone.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.212.133.30🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| PTR | dr40.sv3.jp | ||||||
questone.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.212.133.30🇯🇵 InfoSphere202.212.0.0/16 INFOSPHERE | ||||||
| NS | vm0.questone.jp ⭐ | ||||||
| NS | ns2.sppd.ne.jp | ||||||
| NS | ns9.sppd.ne.jp | ||||||
| MX | mb.questone.jp ⭐ | ||||||
| TXT | v=spf1 +mx +a ~all | ||||||
| SOA | vm0.questone.jproot@vm0.questone.jp 2024-10-28 #1 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A202.212.133.302026-04-05 → 2026-05-11 · 3 obs
○ 2016-06-18 20:14:24
● 2026-04-05 05:02:26
● 2026-05-11 06:30:24
● 2026-04-05 05:02:26
● 2026-05-11 06:30:24
○A202.212.219.242015-07-19 → 2016-06-18 · 4 obs
● 2015-07-19 15:42:14
● 2016-06-18 20:14:24
○ 2026-04-05 05:02:26
○ 2026-05-11 06:30:24
● 2016-06-18 20:14:24
○ 2026-04-05 05:02:26
○ 2026-05-11 06:30:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, a.dns.jp, h.dns.jp, c.dns.jp... | - |
| questone.jp | ns2.sppd.ne.jp, ns9.sppd.ne.jp | - |
✅ Authoritative Response
Server:202.212.133.3
NS records: ns2.sppd.ne.jp, ns9.sppd.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for questone.jp (unsigned zone)
⏱️ Timing
Total: 1763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.212.133.30 |
Analysis
Mail Server Role
mb.questone.jp is the mail server for questone.jp.
IP Addresses
mb.questone.jp maps to IP address 202.212.133.30.
Other host names, for instance mb.netking.jp, vm0.ees-co.jp, mb.sendai-sanyu.co.jp, vm0.netking.jp and vm0.yweb.jp share IP numbers with mb.questone.jp.