mail.ext.dev - dns.ninja

mail.ext.dev

DNSSEC⚠️ Not signed
A2a01:4f8:c012:a815::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A128.140.92.241🇩🇪 Hetzner128.140.0.0/17 HETZNER-DC

ext.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d840🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:10dc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.220Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.64🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
NSglen.ns.cloudflare.com
MXmail.ext.dev ⭐
TXTgoogle-site-verification=3QurU19PFu_CigtkEjtKGx7ffYFtgdoOp4cN9xKU1F4
TXTgoogle-site-verification=JnDLQHIqR-i5QwzVBSfQusTle_WUvDIpl8Pep0v2-2I
TXTv=spf1 a:mail.ext.dev -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.220, 172.67.216.64
IPv6 hints2606:4700:3031::ac43:d840, 2606:4700:3032::6815:10dc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2409813776

PTR for

241.92.140.128.in-addr.arpa

MX for

ext.dev

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DNS History

2 records (2 active, 0 former)

A128.140.92.2412a01:4f8:c012:a815::1
●A128.140.92.2412026-02-14 → 2026-07-25 · 2 obs
● 2026-02-14 20:30:00
● 2026-07-25 07:29:42
●A2a01:4f8:c012:a815::12026-02-14 → 2026-07-25 · 2 obs
● 2026-02-14 20:30:00
● 2026-07-25 07:29:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
ext.devglen.ns.cloudflare.com, amanda.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.63

NS records: glen.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ext.dev (unsigned zone)

⏱️ Timing

Total: 254ms | Queries: -

📄 Records

TypeCountSample Data
A1128.140.92.241
AAAA12a01:4f8:c012:a815::1

Analysis

Mail Server Role

The mail server mail.ext.dev processes email for ext.dev.

IP Addresses

mail.ext.dev directs to two IP numbers, 128.140.92.241 and 2a01:4f8:c012:a815::1