Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nacmedicalcenter.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 22:13:47 UTC · ↺ Refresh
MX Hostnames
- nacmedicalcenter-com.mail.protection.outlook.com
MX Priorities
- nacmedicalcenter-com.mail.protection.outlook.com: 5
A / AAAA Records
- 104.18.32.241 (no PTR)
- 172.64.155.15 (no PTR)
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
coen.ns.cloudflare.com dns.cloudflare.com 2399776373 10000 2400 604800 1800
Primary NS (mname)
coen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399776373
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
coen.ns.cloudflare.com
nola.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:marketing.dynamics.com include:mktomail.com include:_spf.tenethealth.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- kCb7WqRw7a+0ylhbdaBGw7U//eMKqEUnooJJQoADrRsgE+ezM/Lo1EL+ErAZ5zDn5btUMxT3rewfIckJQniXhA==
- qo/+LO8gKZe5xEl6THWFPNcpXWz2OqnLllN5eUn9+V7lTqzkaeb207zyc4ptIxyI5QA2wEWy+1FNfrbWnwpDRg==
- SPFv=spf1 include:spf.protection.outlook.com include:marketing.dynamics.com include:mktomail.com include:_spf.tenethealth.com -all
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