Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zwikkerandzacher.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 23:18:33 UTC · ↺ Refresh
MX Hostnames
- zwikkerandzacher-com.mail.eo.outlook.com
MX Priorities
- zwikkerandzacher-com.mail.eo.outlook.com: 0
A / AAAA Records
- 192.252.149.13 ↩ s299.sureserver.com
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.server299.com hostmaster.zwikkerandzacher.com 1774300767 16384 2048 1048576 2560
Primary NS (mname)
ns1.server299.com
Admin Email (rname)
hostmaster@zwikkerandzacher.com
Serial
1774300767
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.server299.com
ns2.server299.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:server299.smtp-spf.sureserver.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
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
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 include:server299.smtp-spf.sureserver.com -all
- MS=ms46533430
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