Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ceatec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 15:51:48 UTC · ↺ Refresh
MX Hostnames
- ceatec-de.mail.eo.outlook.com
MX Priorities
- ceatec-de.mail.eo.outlook.com: 10
A / AAAA Records
- 217.160.0.51 ↩ 217-160-0-51.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::21a ↩ 2001-08d8-100f-f000-0000-0000-0000-021a.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1046.ui-dns.biz hostmaster.schlund.de 2016110522 28800 7200 604800 300
Primary NS (mname)
ns1046.ui-dns.biz
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110522
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1046.ui-dns.biz
ns1046.ui-dns.org
ns1046.ui-dns.com
ns1046.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com -all
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