grandriverhealth.org

Valid Email Server
Domain Lookup › grandriverhealth.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grandriverhealth.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 19:37:37 UTC · ↺ Refresh

MX Hostnames

  • _dc-mx.6bce57598782.grandriverhealth.org

MX Priorities

  • _dc-mx.6bce57598782.grandriverhealth.org: 0

A / AAAA Records

  • 172.67.151.245 (no PTR)
  • 104.21.40.134 (no PTR)
  • 2606:4700:3033::6815:2886 (no PTR)
  • 2606:4700:3030::ac43:97f5 (no PTR)

Mail Server IPs

  • 170.249.195.21 (no PTR)

SOA Record

Raw SOA iris.ns.cloudflare.com dns.cloudflare.com 2398714300 10000 2400 604800 1800
Primary NS (mname)
iris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398714300
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jerome.ns.cloudflare.com
iris.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 +mx +a +ip4:170.249.195.18 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • SPFv=spf1 +mx +a +ip4:170.249.195.18 -all
  • apple-domain-verification=lTCA3fkmlzRh0vaV
  • v29ne3gcaotkjarhb2hp982ead
  • DMARCv=DMARC1; p=none;
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