a-fiveone.co.jp - robtex.com
a-fiveone.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
a-fiveone.co.jp |
DNS History
8 records (8 active, 0 former)
●A57.181.251.342026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 09:35:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| a-fiveone.co.jp | 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.32.53
NS records: 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a-fiveone.co.jp (unsigned zone)
⏱️ Timing
Total: 933ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 57.181.251.34 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 3 | mx.zoho.jp (pri: 10), mx2.zoho.jp (pri: 20)... |
| TXT | 2 | v=spf1 include:zohomail.jp ~all, zoho-verification=zb74765559.zmverify.zo |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp...)
Analysis
IP Addresses
a-fiveone.co.jp directs to one IP number, which is 57.181.251.34.
There are other host names — ec2-57-181-251-34.ap-northeast-1.compute.amazonaws.com among them — that share IP numbers with a-fiveone.co.jp.
Name Servers
The domain a-fiveone.co.jp is delegated to these four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
There is at least partial name server overlap between a-fiveone.co.jp and other domains — zilop.xyz, gensu.co.jp, uonoya.co.jp and two more among them.
Hosts with two IP numbers each:
01.dnsv.jp has two IP addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp has two IP addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp has two IP addresses: 157.7.35.53 and 2400:8500:3fff::53.
Hosts that resolve to one IP address:
02.dnsv.jp directs to 157.7.33.53.
Mail Servers
Incoming mail for a-fiveone.co.jp is delivered via three mail servers: mx2.zoho.jp, mx3.zoho.jp and mx.zoho.jp.
a-fiveone.co.jp shares at least some of its mail servers with other domains — for example mitsunobu-ochi.com, huibitop.com, jaccent.net and two more.
Hosts with two IP numbers each:
mx.zoho.jp has two IP addresses: 103.163.152.144 and 193.118.161.144.
Hosts that resolve to one IP address:
mx2.zoho.jp directs to 193.118.161.144.
mx3.zoho.jp directs to 103.163.152.144.
Host names pointing to 103.163.152.144 IP addresses: mx.zoho.jp and mx3.zoho.jp.
Host names pointing to 193.118.161.144 IP addresses: mx.zoho.jp and mx2.zoho.jp.