Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
closewithpotomac.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 20:45:28 UTC · ↺ Refresh
MX Hostnames
- smtp1-mke.securence.com
- smtp1-msp.securence.com
MX Priorities
- smtp1-mke.securence.com: 5
- smtp1-msp.securence.com: 1
A / AAAA Records
- 192.252.144.17 ↩ s267.sureserver.com
Mail Server IPs
- 216.17.3.48 ↩ smtp1.msp.securence.com
SOA Record
Raw SOA
ns1.server267.com hostmaster.closewithpotomac.com 1779132455 16384 2048 1048576 2560
Primary NS (mname)
ns1.server267.com
Admin Email (rname)
hostmaster@closewithpotomac.com
Serial
1779132455
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.server267.com
ns2.server267.com
SPF Record
✓ Strict (-all)
v=spf1 include:closewithpotomac-com.spf.smtp25.com include:spf.protection.outlook.com include:access.advnetservice.com include:webmail.adventns.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=OSUaDtHfwy845SJ69Jq1UzDi21M3TZj_uit5dH0qmPI
- MS=ms15331132
- lh2ooSKgTSTrTjFjAVwJ2OWg4mskbjQKy/StFY0ls1b8zO6t1I/6UGLIYhUUVHg7SkLeysQo6ACauZZYJN8poA==
- SPFv=spf1 include:closewithpotomac-com.spf.smtp25.com include:spf.protection.outlook.com include:access.advnetservice.com include:webmail.adventns.com -all
- pVulAs0UTZtzWAOQ//2t1Q==
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