Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
osv.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:43:02 UTC · ↺ Refresh
MX Hostnames
- osv-org.mail.protection.outlook.com
MX Priorities
- osv-org.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.199.223 (no PTR)
- 104.21.90.109 (no PTR)
- 2606:4700:3034::6815:5a6d
- 2606:4700:3030::ac43:c7df
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
leonard.ns.cloudflare.com dns.cloudflare.com 2399026137 10000 2400 604800 1800
Primary NS (mname)
leonard.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399026137
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
leonard.ns.cloudflare.com
rosalie.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
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- IZ+gjoHEzwVVQvrcSgiHUQaBTUUOEDAkOV5HWsK83gMckoJtTtgOy6KUAh4HRz82WL5KWrJPHCSzhkbG8UOyRQ==
- mandrill_verify.jRw5bLJlNGBrjrr6slJaOA
- pSyCoCFxwdtBv80GOmvwje8/mVrTmWeuddQ9lJufH7bXN5yVkHS6cBuJlwcPjmFzbijkJvZrLEoR2d9gYoRI2g==
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