Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yss.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:50:06 UTC · ↺ Refresh
MX Hostnames
- yss-org.mail.protection.outlook.com
MX Priorities
- yss-org.mail.protection.outlook.com: 0
A / AAAA Records
- 67.225.161.96 (no PTR)
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=quarantine; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- MS=ms27631011
- MS=ms16801186
- 9pplpgigv3mll0to7j3i2kcf6o
- SPFv=spf1 include:spf.protection.outlook.com -all
- mscid=czfKF3/jAufCJlqu9TDqj+8gDmqWDvTDfN0+1fPyWB8iHYJ6KcWfeKdz4HBDxKhu0vCcQO/IJbWFZtGjgCtGNg==
- AkDNka+4aLxbi/ZQSo3xOUEfoGRSoa2kd29ghnLqRgMMBEOSqmjO98bcqRXS5GxQOhrTSXT4H9Epqqo+yDRW1A==
- ofh90n8gdb6cq1bni8uksprj30
- MS=ms19398475
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