Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
perner.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 17:18:17 UTC · ↺ Refresh
MX Hostnames
- perner-de.mail.protection.outlook.com
MX Priorities
- perner-de.mail.protection.outlook.com: 0
A / AAAA Records
- 194.164.193.184 ↩ mail.newcomerhosting.de
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.cyber-stack.de hostmaster.cyberstack.de 2024082001 14400 3600 604800 86400
Primary NS (mname)
dns.cyber-stack.de
Admin Email (rname)
hostmaster@cyberstack.de
Serial
2024082001
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.cyber-stack.de
dns.cyber-stack.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailfusion.de 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- MS=ms69076563
- SPFv=spf1 include:spf.mailfusion.de include:spf.protection.outlook.com -all
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