amail.co.jp - robtex.com
amail.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.239.85.44🇯🇵 IDC210.239.80.0/21 Frontier Inc. | ||||||
| PTR | srv01.amail.co.jp | ||||||
| NS | ns1.dns-server.jp ⭐ | ||||||
| A | 210.239.65.38🇯🇵 IDC210.239.64.0/21 Frontier Inc. | ||||||
| PTR | ns1.dns-server.jp | ||||||
| NS | ns2.dns-server.jp | ||||||
| A | 18.177.45.193🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-18-177-45-193.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns3.dns-server.jp | ||||||
| A | 210.152.8.223🇯🇵 IDC210.152.0.0/20 Frontier Inc. | ||||||
| PTR | ns3.dns-server.jp | ||||||
| NS | ns4.dns-server.jp | ||||||
| A | 15.168.90.255🇯🇵 Amazon15.168.0.0/16 EC2 KIX Prefix | ||||||
| PTR | ec2-15-168-90-255.ap-northeast-3.compute.amazonaws.com | ||||||
| MX | mail.amail.co.jp ⭐ | ||||||
| A | 210.239.85.44🇯🇵 IDC210.239.80.0/21 Frontier Inc. | ||||||
| PTR | srv01.amail.co.jp | ||||||
| TXT | v=spf1 +a +mx +ip4:210.239.85.44 ~all | ||||||
| TXT | MS=658EF4D06B3E443DA1B1B1EB3B6FA5D1F912E274 | ||||||
| SOA | ns1.dns-server.jpdomain@seeds.ne.jp 2025-11-21 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.dns-server.jp2018-06-09 → 2026-07-13 · 2 obs
● 2026-07-13 11:32:08
●NSns2.dns-server.jp2018-06-09 → 2026-07-13 · 2 obs
● 2026-07-13 11:32:08
●NSns3.dns-server.jp2018-06-09 → 2026-07-13 · 2 obs
● 2026-07-13 11:32:08
●NSns4.dns-server.jp2018-06-09 → 2026-07-13 · 2 obs
● 2026-07-13 11:32:08
●MXmail.amail.co.jp2026-07-06 → 2026-07-13 · 3 obs
● 2026-07-06 15:56:36
● 2026-07-13 11:32:08
○MXmx201.idc.jp2018-06-09 → 2018-06-09 · 3 obs
○ 2026-07-06 15:56:36
○ 2026-07-13 11:32:08
○MXmx202.idc.jp2018-06-09 → 2018-06-09 · 3 obs
○ 2026-07-06 15:56:36
○ 2026-07-13 11:32:08
○MXmx203.idc.jp2018-06-09 → 2018-06-09 · 3 obs
○ 2026-07-06 15:56:36
○ 2026-07-13 11:32:08
○MXpo.amail.co.jp2018-06-09 → 2018-06-09 · 3 obs
○ 2026-07-06 15:56:36
○ 2026-07-13 11:32:08
●A210.239.85.442026-07-06 → 2026-07-13 · 2 obs
● 2026-07-13 11:32:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, a.dns.jp, b.dns.jp, g.dns.jp... | - |
| amail.co.jp | ns2.dns-server.jp, ns3.dns-server.jp, ns4.dns-server.jp, ns1.dns-server.jp | 4 records |
✅ Authoritative Response
Server:18.177.45.193
NS records: ns2.dns-server.jp, ns3.dns-server.jp, ns4.dns-server.jp, ns1.dns-server.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for amail.co.jp (unsigned zone)
⏱️ Timing
Total: 2937ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.239.85.44 |
| NS | 4 | ns2.dns-server.jp, ns4.dns-server.jp... |
| MX | 1 | mail.amail.co.jp (pri: 10) |
| TXT | 2 | v=spf1 +a +mx +ip4:210.239.85.44 ~all, MS=658EF4D06B3E443DA1B1B1EB3B6FA5D1F912E |
| SOA | 1 | ns1.dns-server.jp domain.seeds.ne.jp |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns4.dns-server.jp, ns3.dns-server.jp, ns2.dns-server.jp...)
Analysis
Hierarchy
The parent domain of srv01.amail.co.jp and mail.amail.co.jp is amail.co.jp.
IP Addresses
amail.co.jp directs to one IP number, which is 210.239.85.44.
srv01.amail.co.jp and mail.amail.co.jp are among other host names that share IP numbers with amail.co.jp.
Name Servers
The domain amail.co.jp is delegated to these four name servers: ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp and ns4.dns-server.jp.
The name servers of amail.co.jp overlap at least partially with those of other domains — among them marucho-house.co.jp, cricket.ne.jp, xn--ssd-7b7fj34n.com and two more.
ns1.dns-server.jp resolves to 210.239.65.38. ns2.dns-server.jp resolves to 18.177.45.193. ns3.dns-server.jp resolves to 210.152.8.223. ns4.dns-server.jp resolves to 15.168.90.255. All four hosts carry exactly one IP address.
Mail Servers
amail.co.jp routes its mail through a single mail server, mail.amail.co.jp.
There is one IP number for mail.amail.co.jp: 210.239.85.44.