Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
microserver.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 00:42:44 UTC · ↺ Refresh
MX Hostnames
- microserver-net.mail.protection.outlook.com
MX Priorities
- microserver-net.mail.protection.outlook.com: 0
A / AAAA Records
- 75.99.99.133 ↩ ool-4b636385.static.optonline.net
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.worldnic.com namehost.worldnic.com 122032414 10800 3600 604800 3600
Primary NS (mname)
ns3.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
122032414
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.worldnic.com
ns4.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:75.99.99.130 ip4:75.99.99.133 a:barracuda5.microserver.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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 ip4:75.99.99.130 ip4:75.99.99.133 a:barracuda5.microserver.com include:spf.protection.outlook.com -all
- MS=ms89218338
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