Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
otan.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 13:28:13 UTC · ↺ Refresh
MX Hostnames
- otan-us.mail.protection.outlook.com
MX Priorities
- otan-us.mail.protection.outlook.com: 10
A / AAAA Records
- 207.166.53.47 (no PTR)
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.scoe.net please_set_email.absolutely.nowhere 485 10800 3600 2419200 900
Primary NS (mname)
ns1.scoe.net
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
485
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns2.scoe.net
ns1.scoe.net
ns3.scoe.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:207.166.53.0/24 a:smtp.scoe.net include:spf.protection.outlook.com include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 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
3 records- SPFv=spf1 ip4:207.166.53.0/24 a:smtp.scoe.net include:spf.protection.outlook.com include:sendgrid.net -all
- knowbe4-site-verification=4db2b37b27572efff5dc98aa0fd9b4ce
- google-site-verification=4EQ9DuiN4u-UZ5WUGUsWF7FSbBTDKuT61jPvlzDUjas
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