briefcase.dev - robtex.com
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 → 2026-07-13 · 2 obs
● 2026-07-13 18:21:04
●NSdns2.registrar-servers.com2026-04-23 → 2026-07-13 · 2 obs
● 2026-07-13 18:21:04
●MXinbound-smtp.us-east-1.amazonaws.com2026-04-23 → 2026-07-13 · 2 obs
● 2026-07-13 18:21:04
●A18.139.116.572026-04-23 → 2026-07-13 · 2 obs
● 2026-07-13 18:21:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com... | - |
| briefcase.dev | dns2.registrar-servers.com, dns1.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns2.registrar-servers.com, dns1.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for briefcase.dev (unsigned zone)
⏱️ Timing
Total: 356ms | 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
briefcase.dev is the parent zone for www.briefcase.dev.
IP Addresses
briefcase.dev points to a single IP number: 18.139.116.57.
www.briefcase.dev and ec2-18-139-116-57.ap-southeast-1.compute.amazonaws.com, along with other host names, share IP addresses with briefcase.dev.
Name Servers
briefcase.dev uses two name servers for its delegation: dns1.registrar-servers.com and dns2.registrar-servers.com.
briefcase.dev shares its name server setup with other domains, including picssharing.com, principalspirit.com, lostak.dev and two others.
Some of briefcase.dev's name servers are also used by other domains, including benjaminklimok.com, kafara.net, freshtab.net and 952sold.com.
These name servers regularly co-occur with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
The two host names dns1.registrar-servers.com and dns2.registrar-servers.com each have a pair of IP addresses: dns1.registrar-servers.com has 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com has 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
briefcase.dev has one mail server: inbound-smtp.us-east-1.amazonaws.com.
briefcase.dev shares the same mail server setup as other domains, including avevacloudsolutions.slack.com, pryorit.slack.com, cablessedgarden.com and two others.
briefcase.dev shares mail servers — at least in part — with other domains, including baruchgreen.net, thetaalayu.atlassian.net, idinteractive.atlassian.net and two others.
inbound-smtp.us-east-1.amazonaws.com has five IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 plus two others.