mx.writeback.co.jp - dns.ninja
mx.writeback.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
writeback.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.13🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ns1.shsvr.net ⭐ | ||||||
| NS | ns2.shsvr.net | ||||||
| MX | mx.writeback.co.jp ⭐ | ||||||
| TXT | v=spf1 include:_spf.shared-server.net ~all | ||||||
| SOA | ns1.shsvr.netns2@shsvr.net serial=2698692623 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A153.122.206.1142026-06-24 → 2026-07-22 · 3 obs
○ 2019-12-13 15:27:26
● 2026-06-24 02:23:18
● 2026-07-22 04:17:46
● 2026-06-24 02:23:18
● 2026-07-22 04:17:46
○A211.13.204.42019-12-13 → 2019-12-13 · 3 obs
● 2019-12-13 15:27:26
○ 2026-06-24 02:23:18
○ 2026-07-22 04:17:46
○ 2026-06-24 02:23:18
○ 2026-07-22 04:17:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| writeback.co.jp | ns2.shsvr.net, ns1.shsvr.net | - |
✅ Authoritative Response
Server:157.120.113.232
NS records: ns2.shsvr.net, ns1.shsvr.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for writeback.co.jp (unsigned zone)
⏱️ Timing
Total: 1580ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.206.114 |
Analysis
Mail Server Role
mx.writeback.co.jp serves as a mail server for writeback.co.jp.
IP Addresses
mx.writeback.co.jp points to a single IP number: 153.122.206.114.
Additional host names — mx.workfield.co.jp, mx.danz.jp, mx.media-cross.com and two others — share IP numbers with mx.writeback.co.jp.