`mail.rcmfoundation.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:a3e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:90b5^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.62^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.181^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.62, 172.67.144.181
		IPv6 hints	2606:4700:3034::6815:a3e, 2606:4700:3034::ac43:90b5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com

`rcmfoundation.org`

	DNSSEC	⚠️ Not signed
	A	216.158.226.162^{🇺🇸 NJIIX-1216.158.224.0/20 Proxy by NJIIX.NET}
	NS	`sara.ns.cloudflare.com` ⭐
	NS	`sonny.ns.cloudflare.com`
	MX	`route2.mx.cloudflare.net` ⭐
	MX	`route1.mx.cloudflare.net`⁽⁵⁹⁾
	MX	`route3.mx.cloudflare.net`⁽⁹⁸⁾
	TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
	SOA	`sara.ns.cloudflare.com`dns@cloudflare.com serial=2410925705

Previously MX for

rcmfoundation.org

Same first word

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DNS History

11 records (4 active, 7 former)

●A104.21.10.622026-03-25 → 2026-08-10 · 3 obs

○ 2016-04-18 06:52:00
● 2026-03-25 10:17:44
● 2026-08-10 04:27:34

●A172.67.144.1812026-03-25 → 2026-08-10 · 3 obs

○ 2016-04-18 06:52:00
● 2026-03-25 10:17:44
● 2026-08-10 04:27:34

○A188.114.96.02026-03-25 → 2026-08-10 · 2 obs

○ 2026-03-25 10:17:44
○ 2026-08-10 04:27:34

○A188.114.97.02026-03-25 → 2026-08-10 · 2 obs

○ 2026-03-25 10:17:44
○ 2026-08-10 04:27:34

○A209.200.229.2212015-06-28 → 2016-04-18 · 4 obs

● 2015-06-28 03:55:42
● 2016-04-18 06:52:00
○ 2026-03-25 10:17:44
○ 2026-08-10 04:27:34

●A2606:4700:3034::6815:a3e2026-08-10 → 2026-08-10 · 2 obs

○ 2026-06-08 06:57:10
● 2026-08-10 04:27:34

●A2606:4700:3034::ac43:90b52026-08-10 → 2026-08-10 · 2 obs

○ 2026-06-08 06:57:10
● 2026-08-10 04:27:34

○A2606:4700:3035::ac43:90b52026-03-25 → 2026-06-08 · 4 obs

○ 2016-04-18 06:52:00
● 2026-03-25 10:17:44
● 2026-06-08 06:57:10
○ 2026-08-10 04:27:34

○A2606:4700:3037::6815:a3e2026-03-25 → 2026-06-08 · 4 obs

○ 2016-04-18 06:52:00
● 2026-03-25 10:17:44
● 2026-06-08 06:57:10
○ 2026-08-10 04:27:34

○A2a06:98c1:3120::2026-03-25 → 2026-08-10 · 2 obs

○ 2026-03-25 10:17:44
○ 2026-08-10 04:27:34

○A2a06:98c1:3121::2026-03-25 → 2026-08-10 · 2 obs

○ 2026-03-25 10:17:44
○ 2026-08-10 04:27:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
rcmfoundation.org	sara.ns.cloudflare.com, sonny.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.144

NS records: sara.ns.cloudflare.com, sonny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rcmfoundation.org (unsigned zone)

⏱️ Timing

Total: 506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.181, 104.21.10.62`
AAAA	2	`2606:4700:3034::6815:a3e, 2606:4700:3034::ac43:90b5`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.rcmfoundation.org resolves to four IP addresses: 104.21.10.62, 172.67.144.181, 2606:4700:3034::6815:a3e and 2606:4700:3034::ac43:90b5.

njxmfs.com, alexander.edu.vn, rbprimula.altervista.org.cdn.cloudflare.net plus two other host names have IP numbers in common with mail.rcmfoundation.org.

mail.rcmfoundation.org - robtex.com