`mail.rtceducationfoundation.org`

DNSSEC	⚠️ Not signed
A	52.15.175.226^{🇺🇸 Amazon52.15.128.0/17}
		PTR	`ec2-52-15-175-226.us-east-2.compute.amazonaws.com`

`rtceducationfoundation.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:9205^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:aa6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.166^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.5^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`marvin.ns.cloudflare.com` ⭐
NS	`pola.ns.cloudflare.com`
MX	`mx-dfw.smtp.directrouter.com` ⭐
MX	`mx-lon.smtp.directrouter.com`⁽²⁰⁾
TXT	`google-site-verification=a_x4_SPjPx-GBmugE2DGNPakrFxNrihs2GZn_KqKHqs`
TXT	`google-site-verification=doqx3AuBjfgfleq6Yh_QiU4wmNUGnK_8X1nXca9wLdA`
TXT	`v=spf1 +a +mx +ip4:52.15.175.226 +include:relay.mailchannels.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.166, 172.67.146.5
		IPv6 hints	2606:4700:3035::ac43:9205, 2606:4700:3037::6815:aa6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOA	`marvin.ns.cloudflare.com`dns@cloudflare.com serial=2408336369

Previously MX for

rtceducationfoundation.org

Same first word

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DNS History

2 records (1 active, 1 former)

○A192.185.146.1382017-04-21 → 2017-04-21 · 3 obs

● 2017-04-21 04:48:58
○ 2026-04-22 14:51:12
○ 2026-07-18 14:41:50

●A52.15.175.2262026-04-22 → 2026-07-18 · 3 obs

○ 2017-04-21 04:48:58
● 2026-04-22 14:51:12
● 2026-07-18 14:41:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
rtceducationfoundation.org	marvin.ns.cloudflare.com, pola.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.251

NS records: marvin.ns.cloudflare.com, pola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtceducationfoundation.org (unsigned zone)

⏱️ Timing

Total: 239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.15.175.226`

Analysis

IP Addresses

mail.rtceducationfoundation.org has exactly one IP address — 52.15.175.226.

nailcareqld.com.au, joinerfire.com, cmg-stl.com plus two other host names have IP numbers in common with mail.rtceducationfoundation.org.

mail.rtceducationfoundation.org - robtex.com