mail_.firstbyte.dev - dns.ninja
mail_.firstbyte.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2603:c020:4018:6669:feed:dead:cafe:beef🇺🇸 ORACLE-OCI-318982603:c020:4000::/35 | ||||||
| A | 129.213.163.148🇺🇸 ORACLE-OCI-31898129.213.160.0/21 | ||||||
firstbyte.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:827b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:34f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.3.79Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.130.123🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | asa.ns.cloudflare.com ⭐ | ||||||
| NS | merlin.ns.cloudflare.com | ||||||
| MX | mail.firstbyte.dev ⭐ | ||||||
| TXT | v=spf1 mx ra=postmaster -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.3.79, 172.67.130.123 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:827b, 2606:4700:3035::6815:34f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com | ||||||
| SOA | asa.ns.cloudflare.comdns@cloudflare.com serial=2409214932 | ||||||
DNS History
2 records (2 active, 0 former)
●A129.213.163.1482026-03-18 → 2026-08-03 · 2 obs
● 2026-03-18 03:44:16
● 2026-08-03 03:39:20
● 2026-08-03 03:39:20
●A2603:c020:4018:6669:feed:dead:cafe:beef2026-03-18 → 2026-08-03 · 2 obs
● 2026-03-18 03:44:16
● 2026-08-03 03:39:20
● 2026-08-03 03:39:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| firstbyte.dev | asa.ns.cloudflare.com, merlin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.246
NS records: asa.ns.cloudflare.com, merlin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstbyte.dev (unsigned zone)
⏱️ Timing
Total: 341ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 129.213.163.148 |
| AAAA | 1 | 2603:c020:4018:6669:feed:dead:cafe:beef |
Analysis
IP Addresses
mail_.firstbyte.dev points to the IP addresses 129.213.163.148 and 2603:c020:4018:6669:feed:dead:cafe:beef