Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
osler.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 05:20:53 UTC · ↺ Refresh
MX Hostnames
- osler-com.mail.protection.outlook.com
MX Priorities
- osler-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cloud.qudatacentres.com registrar.qudatacentres.com 2026031040 10800 3600 604800 3600
Primary NS (mname)
dns1.cloud.qudatacentres.com
Admin Email (rname)
registrar@qudatacentres.com
Serial
2026031040
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.cloud.qudatacentres.com
dns3.cloud.qudatacentres.com
dns1.cloud.qudatacentres.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:199.85.19.2 ip4:38.111.102.82 ip4:38.111.102.85 ip4:72.140.239.4 ip4:199.85.19.14 ip4:208.99.162.38 ip4:199.85.19.12 ip4:199.85.19.131 ip4:72.140.239.27 include:u1808512.wl.sendgrid.net include:_spf.psm.knowbe4.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms99765300
- SPFv=spf1 include:spf.protection.outlook.com ip4:199.85.19.2 ip4:38.111.102.82 ip4:38.111.102.85 ip4:72.140.239.4 ip4:199.85.19.14 ip4:208.99.162.38 ip4:199.85.19.12 ip4:199.85.19.131 ip4:72.140.239.27 include:u1808512.wl.sendgrid.net include:_spf.psm.knowbe4.com include:_spf.salesforce.com -all
- docusign=6ce6f2c0-f3c8-44ea-94c8-e459530c7007
- B832E950CED73B3D69E2C4F02F8B59E0F0A7550938A2906F94A89F51C66E5619
- adobe-idp-site-verification=8844774faab4965218bd78da2e8135c5f369fe0ad7d89c9b272f9aa6b0be1b64
- pRyouP5lekKc6MD7yw56iZliOYYc+MXLk2tZkw4gDUYGKB+hjbY6Wa4okebp+0XKw3zbCSinD7Q69i7nIYVadQ==
- google-site-verification=4H2wIrS7Rl5_x9T7bfozxoRgWFO9FNr_5M6-IEGbx40
Full email verification for osler.com
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