Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corhealthservices.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:31:27 UTC · ↺ Refresh
MX Hostnames
- corhealthservices-com.relay1i.spamh.com
- corhealthservices-com.relay1h.spamh.com
- corhealthservices-com.relay1g.spamh.com
MX Priorities
- corhealthservices-com.relay1g.spamh.com: 10
- corhealthservices-com.relay1h.spamh.com: 20
- corhealthservices-com.relay1i.spamh.com: 30
A / AAAA Records
- 104.21.13.123 (no PTR)
- 172.67.167.245 (no PTR)
- 2606:4700:3036::6815:d7b (no PTR)
- 2606:4700:3033::ac43:a7f5 (no PTR)
Mail Server IPs
- 63.71.12.99 ↩ lbm-t.spamh.com
- 63.71.12.101 ↩ lbn-t.spamh.com
- 63.71.12.97 ↩ lbl-t.spamh.com
SOA Record
Raw SOA
david.ns.cloudflare.com dns.cloudflare.com 2398817899 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398817899
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
izabella.ns.cloudflare.com
david.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:corhealthservices-com.spf.smtp25.com ip4:64.91.234.87 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- v=verifydomain MS=7539944
- iQnRUHFtcfHRaP9j53nU5g==
- SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org include:corhealthservices-com.spf.smtp25.com ip4:64.91.234.87 -all
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