Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yardbook.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 02:08:11 UTC · ↺ Refresh
MX Hostnames
- yardbook-com.mail.protection.outlook.com
MX Priorities
- yardbook-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.70.232 (no PTR)
- 104.26.9.80 (no PTR)
- 104.26.8.80
- 2606:4700:20::681a:950
- 2606:4700:20::681a:850
- 2606:4700:20::ac43:46e8
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
bill.ns.cloudflare.com dns.cloudflare.com 2397429108 10000 2400 604800 1800
Primary NS (mname)
bill.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397429108
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kay.ns.cloudflare.com
bill.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net include:sendgrid.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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 include:secureserver.net include:sendgrid.net -all
- google-site-verification=qjiJXxzrPwVgKPEZ6GFptEdXs9VXx9Bzjyg4zCALpd8
Full email verification for yardbook.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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