writeback.co.jp - dns.ninja
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 ⭐ | ||||||
| A | 157.120.112.232🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.232🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.232🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| NS | ns2.shsvr.net | ||||||
| A | 157.120.112.232🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.232🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.232🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| MX | mx.writeback.co.jp ⭐ | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net ~all | ||||||
| SOA | ns1.shsvr.netns2@shsvr.net serial=2698692623 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
mx.writeback.co.jp |
Same first word
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itrackweb.net |
iwebtrack.es |
baeckwirt.com |
bitwacker.com |
baeckwirt.at |
backwrite.com |
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DNS History
5 records (4 active, 1 former)
●MXmx.writeback.co.jp2019-12-13 → 2026-07-21 · 2 obs
● 2026-07-21 00:19:38
●A153.122.205.132026-02-24 → 2026-07-21 · 3 obs
● 2026-02-24 20:49:50
● 2026-07-21 00:19:38
○A211.13.196.1402019-12-13 → 2019-12-13 · 3 obs
○ 2026-02-24 20:49:50
○ 2026-07-21 00:19:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, d.dns.jp, g.dns.jp, b.dns.jp... | - |
| writeback.co.jp | ns1.shsvr.net, ns2.shsvr.net | - |
✅ Authoritative Response
Server:157.120.114.232
NS records: ns1.shsvr.net, ns2.shsvr.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for writeback.co.jp (unsigned zone)
⏱️ Timing
Total: 1402ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.13 |
| NS | 2 | ns1.shsvr.net, ns2.shsvr.net |
| MX | 1 | mx.writeback.co.jp (pri: 100) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net ~a |
| SOA | 1 | ns1.shsvr.net ns2.shsvr.net |
Analysis
Hierarchy
The domain mx.writeback.co.jp falls under the parent writeback.co.jp.
IP Addresses
writeback.co.jp points to a single IP number: 153.122.205.13.
Additional host names — kbp.co.jp, kkmedia.info, fujiya-p.jp and two others — share IP numbers with writeback.co.jp.
Name Servers
writeback.co.jp uses two name servers for its delegation: ns1.shsvr.net and ns2.shsvr.net.
writeback.co.jp shares its name server setup with other domains, including nisshinbo-chem.co.jp, sakuramarine.com, metek.co.jp and two others.
writeback.co.jp shares at least some of its name servers with other domains, for example 0983-iwaki.com, bengoshinoheya.com, nadogaya-abiko.com and la-scogliera.com.
These name servers tend to be deployed in combination with the name servers ns.namedserver.net and ns2.namedserver.net.
Each of ns1.shsvr.net and ns2.shsvr.net has three IP addresses: 157.120.112.232, 157.120.113.232 and 157.120.114.232.
Both ns1.shsvr.net and ns2.shsvr.net resolve to 157.120.112.232 IP addresses each.
Both ns1.shsvr.net and ns2.shsvr.net resolve to 157.120.113.232 IP addresses each.
Both ns1.shsvr.net and ns2.shsvr.net resolve to 157.120.114.232 IP addresses each.
Mail Servers
writeback.co.jp has one mail server: mx.writeback.co.jp.
mx.writeback.co.jp directs to just one IP number, 153.122.206.114.