mail2.rtcube.com - dns.ninja

mail2.rtcube.com

DNSSEC⚠️ Not signed

rtcube.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:ff0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:d0d2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.240Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.210🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjen.ns.cloudflare.com ⭐
NSsteven.ns.cloudflare.com
TXTNC-LAI-2596
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.240, 172.67.208.210
IPv6 hints2606:4700:3034::6815:ff0, 2606:4700:3034::ac43:d0d2
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOAjen.ns.cloudflare.comdns@cloudflare.com serial=2402763114

Previously MX for

rtcube.com

Same first word

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DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A222.239.78.221
○A222.239.78.2212015-06-08 → 2015-10-26 · 4 obs
● 2015-06-08 12:47:32
● 2015-10-26 11:37:04
○ 2016-01-19 22:22:32
○ 2026-06-10 20:26:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rtcube.comjen.ns.cloudflare.com, steven.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.17

NS records: jen.ns.cloudflare.com, steven.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcube.com (unsigned zone)

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jen.ns.cloudflare.com, jen.ns.cloudflare.com, jen.ns.cloudflare.com...)