`mx.rivermarkcu.com`

DNSSEC	⚠️ Not signed
A	66.96.140.138^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
		PTR	`138.140.96.66.static.eigbox.net`
A	66.96.140.139^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}

`rivermarkcu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:1b6f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a922^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.111^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.34^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kim.ns.cloudflare.com` ⭐
NS	`rob.ns.cloudflare.com`
MX	`mx.rivermarkcu.com` ⭐
TXT	`v=spf1 ip4:66.96.128.0/18 ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.111, 172.67.169.34
		IPv6 hints	2606:4700:3035::6815:1b6f, 2606:4700:3037::ac43:a922
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOA	`kim.ns.cloudflare.com`dns@cloudflare.com serial=2403936936

MX for

rivermarkcu.com

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DNS History

2 records (2 active, 0 former)

●A66.96.140.1382015-05-29 → 2026-07-05 · 2 obs

● 2015-05-29 08:52:10
● 2026-07-05 14:41:58

●A66.96.140.1392015-05-29 → 2026-07-05 · 2 obs

● 2015-05-29 08:52:10
● 2026-07-05 14:41:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rivermarkcu.com	kim.ns.cloudflare.com, rob.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.126

NS records: kim.ns.cloudflare.com, rob.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rivermarkcu.com (unsigned zone)

⏱️ Timing

Total: 95ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.96.140.139, 66.96.140.138`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mx.rivermarkcu.com is a mail server for rivermarkcu.com.

IP Addresses

mx.rivermarkcu.com directs to two IP numbers, 66.96.140.138 and 66.96.140.139

Among the host names that share IP numbers with mx.rivermarkcu.com are mx.millstream.cool, mx.ecuadorescapetravel.com, mx.kezilabda.tv and two others.

mx.rivermarkcu.com - dns.ninja