briefcase.dev - dns.ninja
briefcase.dev
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Subdomains
www.briefcase.dev |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns1.registrar-servers.com2026-04-23 → 2026-06-12 · 2 obs
● 2026-06-12 12:28:30
●NSdns2.registrar-servers.com2026-04-23 → 2026-06-12 · 2 obs
● 2026-06-12 12:28:30
●MXinbound-smtp.us-east-1.amazonaws.com2026-04-23 → 2026-06-12 · 2 obs
● 2026-06-12 12:28:30
●A18.139.116.572026-04-23 → 2026-06-12 · 2 obs
● 2026-06-12 12:28:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| briefcase.dev | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for briefcase.dev (unsigned zone)
⏱️ Timing
Total: 177ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.139.116.57 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com (pr |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
Hierarchy
www.briefcase.dev is delegated beneath briefcase.dev.
IP Addresses
briefcase.dev directs to one IP number, which is 18.139.116.57.
Further host names like www.briefcase.dev and ec2-18-139-116-57.ap-southeast-1.compute.amazonaws.com overlap in IP numbers with briefcase.dev.
Name Servers
Two name servers handle the delegation for briefcase.dev: dns1.registrar-servers.com and dns2.registrar-servers.com.
briefcase.dev has the same name server delegation as a number of other domains, such as picssharing.com, principalspirit.com, lostak.dev and two more.
briefcase.dev has name servers in common with a number of other domains — benjaminklimok.com, kafara.net, freshtab.net and 952sold.com among them.
The name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com are often found in combination with these name servers.
dns1.registrar-servers.com and dns2.registrar-servers.com both carry two IP addresses. The A records for dns1.registrar-servers.com are 156.154.132.200 and 2610:a1:1024::200; the A records for dns2.registrar-servers.com are 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
briefcase.dev routes its mail through a single mail server, inbound-smtp.us-east-1.amazonaws.com.
briefcase.dev has the same mail server arrangement as a number of other domains, for example avevacloudsolutions.slack.com, pryorit.slack.com, cablessedgarden.com and two more.
briefcase.dev shares at least some of its mail servers with other domains — for example baruchgreen.net, thetaalayu.atlassian.net, idinteractive.atlassian.net and two more.
It is common to find these mail servers paired with the mail servers inbound-smtp.us-west-2.amazonaws.com.
inbound-smtp.us-east-1.amazonaws.com directs to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two others.