Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rivermarkdental.org
Yes
✓ Yes
Yahoo
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:22:29 UTC · ↺ Refresh
MX Hostnames
- mx-biz.mail.am0.yahoodns.net
MX Priorities
- mx-biz.mail.am0.yahoodns.net: 0
A / AAAA Records
- 172.67.152.157 (no PTR)
- 104.21.88.196 (no PTR)
- 2606:4700:3031::6815:58c4 (no PTR)
- 2606:4700:3037::ac43:989d (no PTR)
Mail Server IPs
- 67.195.204.83 ↩ mtaproxy1.biz.mail.vip.bf1.yahoo.com
- 67.195.228.75 ↩ mtaproxy1.biz.mail.vip.gq1.yahoo.com
SOA Record
Raw SOA
ian.ns.cloudflare.com dns.cloudflare.com 2398609619 10000 2400 604800 1800
Primary NS (mname)
ian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398609619
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
marge.ns.cloudflare.com
ian.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:54.145.74.208 include:secureserver.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:54.145.74.208 include:secureserver.net ~all
- google-site-verification=AFDEgUzH0L4a3BcsPuQwz8KNRyn-BpKHOwapoiQ0bNk
Full email verification for rivermarkdental.org
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