Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sterncohen.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:03:23 UTC · ↺ Refresh
MX Hostnames
- sterncohen-com.mail.protection.outlook.com
MX Priorities
- sterncohen-com.mail.protection.outlook.com: 20
A / AAAA Records
- 172.66.43.175 (no PTR)
- 172.66.40.81 (no PTR)
- 2606:4700:3108::ac42:2baf
- 2606:4700:3108::ac42:2851
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
kiki.ns.cloudflare.com dns.cloudflare.com 2397411832 10000 2400 604800 1800
Primary NS (mname)
kiki.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397411832
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kiki.ns.cloudflare.com
nick.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:203.31.36.152 include:spf.protection.outlook.com include:mail5.hosting.ca -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
2 records- SPFv=spf1 ip4:203.31.36.152 include:spf.protection.outlook.com include:mail5.hosting.ca -all
- linkedin-site-verification=c896cc83-a330-4d38-94a0-415097b2012a
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