mail.simcode.app - dns.ninja

mail.simcode.app

DNSSEC⚠️ Not signed
A46.4.121.3🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3
PTRstatic.3.121.4.46.clients.your-server.de

simcode.app

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8451🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:4b1🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.177Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.81🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmaria.ns.cloudflare.com ⭐
NSsyeef.ns.cloudflare.com
MXmail.simcode.app ⭐
TXTv=spf1 a mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.177, 172.67.132.81
IPv6 hints2606:4700:3032::ac43:8451, 2606:4700:3033::6815:4b1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOAmaria.ns.cloudflare.comdns@cloudflare.com serial=2407535233

MX for

simcode.app

Same first word

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DNS History

1 record (1 active, 0 former)

A46.4.121.3
●A46.4.121.32026-03-27 → 2026-06-27 · 2 obs
● 2026-03-27 21:04:06
● 2026-06-27 10:33:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
simcode.appmaria.ns.cloudflare.com, syeef.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.192

NS records: maria.ns.cloudflare.com, syeef.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simcode.app (unsigned zone)

⏱️ Timing

Total: 540ms | Queries: -

📄 Records

TypeCountSample Data
A146.4.121.3

Analysis

Mail Server Role

mail.simcode.app serves as a mail server for simcode.app.

IP Addresses

mail.simcode.app points to a single IP number: 46.4.121.3.

static.3.121.4.46.clients.your-server.de, for instance, is one of the other host names sharing IP numbers with mail.simcode.app.