`mail.rdcodex.com`

DNSSEC

⚠️ Not signed

`rdcodex.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3653^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:88fb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.83^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.251^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bruce.ns.cloudflare.com` ⭐
NS	`brynne.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
MX	`route1.mx.cloudflare.net`⁽⁵⁹⁾
MX	`route3.mx.cloudflare.net`⁽⁷¹⁾
TXT	`google-site-verification=2qRuphG0c0DmecdBWKAk2kr3m7_C9_Mq2rEtE8JsIbA`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.83, 172.67.136.251
		IPv6 hints	2606:4700:3032::6815:3653, 2606:4700:3035::ac43:88fb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com
SOA	`bruce.ns.cloudflare.com`dns@cloudflare.com serial=2408858147

🔒 HSTS Preload (+subdomains)

Previously MX for

rdcodex.com

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DNS History

1 record (0 active, 1 former)

○CNAMErdcodex.com2019-12-19 → 2019-12-19 · 2 obs

● 2019-12-19 10:38:42
○ 2026-07-13 23:09:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rdcodex.com	bruce.ns.cloudflare.com, brynne.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.65

NS records: bruce.ns.cloudflare.com, brynne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rdcodex.com (unsigned zone)

⏱️ Timing

Total: 133ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

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

mail.rdcodex.com - robtex.com

mail.rdcodex.com

rdcodex.com