Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
deltamedsued.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 10:34:56 UTC · ↺ Refresh
MX Hostnames
- deltamedsued-de.mail.protection.outlook.com
MX Priorities
- deltamedsued-de.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.181 ↩ 217-160-0-181.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1045.ui-dns.com hostmaster.1und1.com 2017060133 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060133
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1045.ui-dns.biz
ns1045.ui-dns.de
ns1045.ui-dns.org
ns1045.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.crsend.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
7 records- swisssign-check=YTy1HNLdmcjQz8Dt77y7ubTQhME
- SPFv=spf1 include:spf.protection.outlook.com include:spf.crsend.com -all
- swisssign-check=PdwY88FcCJ9RSjICFANZhktPAF8
- swisssign-check=uUijHXQ7iMy1KRFpKybRaYk64yoH8TCZsXkDGm0uuF
- swisssign-check=WiGeR4_tQkyv7DZPVReRR5EFP9Y
- swisssign-check=q9E1yOYWI5obW9qYzPHgKzP-wZo
- google-site-verification=kpFbHjM0j2ZUtlC85ooBaNsA7cq5p7t6BGfvqHYGIoY
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