Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
prestondentalcenter.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 05:16:03 UTC · ↺ Refresh
MX Hostnames
- prestondentalcenter-com.mail.protection.outlook.com
MX Priorities
- prestondentalcenter-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.140.113 (no PTR)
Mail Server IPs
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns05.gcd-dns.com dns.jomax.net 2024110700 28800 7200 604800 600
Primary NS (mname)
ns05.gcd-dns.com
Admin Email (rname)
dns@jomax.net
Serial
2024110700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns05.gcd-dns.com
ns06.gcd-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- MS=ms73777152
- SPFv=spf1 include:spf.protection.outlook.com -all
- facebook-domain-verification=yiza48joabypmiphi7otrc1ne49t6d
- google-site-verification=6SiUPTK-f-UuS40epjC2lnU9iSz8rAsVxWWQCvBJtHY
- ca3-893e5d6ca79d46c59cf01d349d0c0aab
- ca3-043cb156265140bda7fc9afc27557916
- q9jiali19pnr4g6c9cibbntin2
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