opcode.co.jp - dns.ninja
opcode.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSns-1384.awsdns-45.org2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●NSns-1989.awsdns-56.co.uk2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●NSns-57.awsdns-07.com2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●NSns-713.awsdns-25.net2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●MXalt1.aspmx.l.google.com2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●MXalt2.aspmx.l.google.com2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●MXaspmx.l.google.com2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●MXaspmx2.googlemail.com2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●MXaspmx3.googlemail.com2015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
●A54.238.136.1202015-05-27 → 2026-06-27 · 2 obs
● 2026-06-27 08:16:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| opcode.co.jp | ns-57.awsdns-07.com, ns-713.awsdns-25.net, ns-1384.awsdns-45.org, ns-1989.awsdns-56.co.uk | - |
✅ Authoritative Response
Server:205.251.199.197
NS records: ns-57.awsdns-07.com, ns-713.awsdns-25.net, ns-1384.awsdns-45.org, ns-1989.awsdns-56.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opcode.co.jp (unsigned zone)
⏱️ Timing
Total: 2076ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.238.136.120 |
| NS | 4 | ns-1384.awsdns-45.org, ns-1989.awsdns-56.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.google.com include:a |
| SOA | 1 | ns-1989.awsdns-56.co.uk awsdns-hostmaste |
Analysis
IP Addresses
opcode.co.jp resolves to just one IP address, 54.238.136.120.
Other host names, such as ec2-54-238-136-120.ap-northeast-1.compute.amazonaws.com, share IP numbers with opcode.co.jp.
Name Servers
The NS records for opcode.co.jp point to four name servers: ns-57.awsdns-07.com, ns-713.awsdns-25.net, ns-1384.awsdns-45.org and ns-1989.awsdns-56.co.uk.
opcode.co.jp shares at least some of its name servers with other domains, including suyam.org, sierranm.com, d3fbjstutq8m6k.cloudfront.net and two others.
The host names ns-57.awsdns-07.com, ns-713.awsdns-25.net, ns-1384.awsdns-45.org and ns-1989.awsdns-56.co.uk each resolve to two IP addresses: ns-57.awsdns-07.com resolves to 205.251.192.57 and 2600:9000:5300:3900::1; ns-713.awsdns-25.net resolves to 205.251.194.201 and 2600:9000:5302:c900::1; ns-1384.awsdns-45.org resolves to 205.251.197.104 and 2600:9000:5305:6800::1; ns-1989.awsdns-56.co.uk resolves to 205.251.199.197 and 2600:9000:5307:c500::1.
Mail Servers
Mail for opcode.co.jp is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between opcode.co.jp and other domains, including parlebo.com, tora.com, iamthekey.com and two others.
These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com points to 192.178.155.26 and 2607:f8b0:4004:c0b::1a.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1b IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.27 IP addresses.