Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strassacker.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 03:03:40 UTC · ↺ Refresh
MX Hostnames
- mail.strassacker.de
- strassacker-de.mail.protection.outlook.com
MX Priorities
- strassacker-de.mail.protection.outlook.com: 5
- mail.strassacker.de: 10
A / AAAA Records
- 89.58.55.214 ↩ v2202303129142222344.hotsrv.de
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 87.193.128.230 ↩ mail.strassacker.de
SOA Record
Raw SOA
ns77.domaincontrol.com dns.jomax.net 2026012800 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns77.domaincontrol.com
ns78.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.strassacker.de include:spf.protection.outlook.com include:spf.crsend.com ip4:62.55.182.68 -all
📊 DNS lookups: 4/10
✓ 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 mx a:mail.strassacker.de include:spf.protection.outlook.com include:spf.crsend.com ip4:62.55.182.68 -all
- atlassian-domain-verification=SbzrwDcBlZQMNXxyfNxpvzSYDjPPALRBkYFRDe5a7XyzjddV4SGu9FGp4aEvUYAP
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