Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
13network.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 14:32:44 UTC · ↺ Refresh
MX Hostnames
- 13network-com.mail.protection.outlook.com
MX Priorities
- 13network-com.mail.protection.outlook.com: 0
A / AAAA Records
- 69.7.103.128 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
auth1.dns.expedient.com hostmaster.expedent.com 2024061803 604800 3600 3600 900
Primary NS (mname)
auth1.dns.expedient.com
Admin Email (rname)
hostmaster@expedent.com
Serial
2024061803
Refresh
604800s
Retry
3600s
Expire
3600s
Minimum TTL
900s
Nameservers (NS)
auth2.dns.expedient.com
auth5.dns.expedient.com
auth4.dns.expedient.com
auth1.dns.expedient.com
auth3.dns.expedient.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms15480420
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