class1.jp - dns.ninja
class1.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1783853102 | ||||||
Same first word
class1.com.br |
class1.com |
class1.co.kr |
class1.media |
class1.dk |
class1.co.uk |
class1.jp |
class1.net |
class1.fi |
class1.ru |
class1.cn |
class1.de |
class1.cz |
class1.k12.ar.us |
Similar names
1class.dk |
1class.net |
1class.it |
1class.co.uk |
1class.ru |
1class.kg |
1class.com |
1class.de |
1class.co.il |
1class.at |
1class.se |
1class.info |
1class.ro |
1class.app |
1class.su |
DNS History
6 records (6 active, 0 former)
●NSns-1303.awsdns-34.org2019-12-20 → 2026-07-12 · 2 obs
● 2026-07-12 11:15:28
●NSns-1975.awsdns-54.co.uk2019-12-20 → 2026-07-12 · 2 obs
● 2026-07-12 11:15:28
●NSns-403.awsdns-50.com2019-12-20 → 2026-07-12 · 2 obs
● 2026-07-12 11:15:28
●NSns-822.awsdns-38.net2019-12-20 → 2026-07-12 · 2 obs
● 2026-07-12 11:15:28
●MXinbound-smtp.us-east-1.amazonaws.com2019-12-20 → 2026-07-12 · 2 obs
● 2026-07-12 11:15:28
●A52.199.90.1542019-12-20 → 2026-07-12 · 2 obs
● 2026-07-12 11:15:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| class1.jp | ns-1975.awsdns-54.co.uk, ns-403.awsdns-50.com, ns-822.awsdns-38.net, ns-1303.awsdns-34.org | - |
✅ Authoritative Response
Server:205.251.193.147
NS records: ns-1975.awsdns-54.co.uk, ns-403.awsdns-50.com, ns-822.awsdns-38.net, ns-1303.awsdns-34.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for class1.jp (unsigned zone)
⏱️ Timing
Total: 1710ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.199.90.154 |
| NS | 4 | ns-1303.awsdns-34.org, ns-1975.awsdns-54.co.uk... |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com (pr |
| TXT | 2 | google-site-verification=hPXugzdkbrGNiEp, v=spf1 include:amazonses.com include:spf |
| SOA | 1 | ns-822.awsdns-38.net awsdns-hostmaster.a |
Analysis
IP Addresses
class1.jp resolves to one IP address: 52.199.90.154.
Name Servers
The authoritative name servers for class1.jp are ns-403.awsdns-50.com, ns-822.awsdns-38.net, ns-1303.awsdns-34.org and ns-1975.awsdns-54.co.uk.
At least some of class1.jp's name servers are shared with other domains, for example shore.com.hk, tomroffe.com, braco-tv.me and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-403.awsdns-50.com directs to 205.251.193.147 and 2600:9000:5301:9300::1; ns-822.awsdns-38.net directs to 205.251.195.54 and 2600:9000:5303:3600::1; ns-1303.awsdns-34.org directs to 205.251.197.23 and 2600:9000:5305:1700::1; ns-1975.awsdns-54.co.uk directs to 205.251.199.183 and 2600:9000:5307:b700::1.
Mail Servers
Mail for class1.jp is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.
class1.jp uses an identical mail server configuration to several other domains — among them credcannon.com, samthompsonlodge.com, humios.com and two more.
class1.jp has at least partial mail server overlap with other domains such as projectsboard.atlassian.net, bitgoinc.atlassian.net, agnggroup.com and two more.
This set of mail servers commonly appears together with the mail servers inbound-smtp.us-west-2.amazonaws.com.
inbound-smtp.us-east-1.amazonaws.com points to five IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two more.