Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
davidsugerman.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 04:29:27 UTC · ↺ Refresh
MX Hostnames
- davidsugerman-com.mail.protection.outlook.com
MX Priorities
- davidsugerman-com.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.134.180 (no PTR)
- 104.21.6.100 (no PTR)
- 2606:4700:3034::6815:664
- 2606:4700:3033::ac43:86b4
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
igor.ns.cloudflare.com dns.cloudflare.com 2397102934 10000 2400 604800 1800
Primary NS (mname)
igor.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397102934
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mimi.ns.cloudflare.com
igor.ns.cloudflare.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; rua=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
3 records- b6fblvihtm64jlah14uo0nohhv
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms88192514
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