Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
davidhorowitzpc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:42:07 UTC · ↺ Refresh
MX Hostnames
- davidhorowitzpc-com.mx2.arsmtp.com
- davidhorowitzpc-com.mx1.arsmtp.com
MX Priorities
- davidhorowitzpc-com.mx1.arsmtp.com: 10
- davidhorowitzpc-com.mx2.arsmtp.com: 20
A / AAAA Records
- 15.197.131.231 ↩ a47112cd6619c1358.awsglobalaccelerator.com
- 3.33.146.207 ↩ a47112cd6619c1358.awsglobalaccelerator.com
Mail Server IPs
- 8.31.233.238 ↩ server2006.appriver.com
- 8.19.118.214 ↩ server2007.appriver.com
SOA Record
Raw SOA
lucy.ns.cloudflare.com dns.cloudflare.com 2398683375 10000 2400 604800 1800
Primary NS (mname)
lucy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398683375
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lucy.ns.cloudflare.com
sid.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]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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:spf.protection.outlook.com -all
- MS=ms10363823
- uber-domain-verification=b4917016-86fd-4bdd-bb6d-2c25ac6db2b0
Full email verification for davidhorowitzpc.com
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