Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dermloudoun.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:25:07 UTC · ↺ Refresh
MX Hostnames
- dermloudoun-com.mail.protection.outlook.com
MX Priorities
- dermloudoun-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.212.86.118 ↩ 118.86.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
aaden.ns.cloudflare.com dns.cloudflare.com 2397726257 10000 2400 604800 1800
Primary NS (mname)
aaden.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397726257
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aaden.ns.cloudflare.com
sonia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:mailgun.org include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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- SPFv=spf1 include:sendgrid.net include:mailgun.org include:spf.protection.outlook.com -all
- MS=2ABF25883A5E637E39300E9F0E2647E57BE9CDE5
- MS=ms41074534
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