Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zuk.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 22:51:38 UTC · ↺ Refresh
MX Hostnames
- zuk-de.mail.protection.outlook.com
MX Priorities
- zuk-de.mail.protection.outlook.com: 10
A / AAAA Records
- 212.82.36.221 ↩ phantom.zuk.de
- 2a04:6c0:b:5::1 ↩ phantom.zuk.de
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.14v.de hostmaster.one4vision.de 2025141109 7200 3600 1209600 600
Primary NS (mname)
ns01.14v.de
Admin Email (rname)
hostmaster@one4vision.de
Serial
2025141109
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.14v.de
ns03.14v.de
ns02.14v.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.82.36.219 ip6:2a04:6c0:b:2::1 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
3 records- SPFv=spf1 ip4:212.82.36.219 ip6:2a04:6c0:b:2::1 include:spf.protection.outlook.com -all
- google-site-verification=S2Lm-3bgEOSvVKkSHkjXvaqOwAiH8yWZnuvSurTlrZA
- MS=ms72886120
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