Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iubh-fernstudium.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 10:37:21 UTC · ↺ Refresh
MX Hostnames
- iubhfernstudium-de01b.mail.protection.outlook.com
MX Priorities
- iubhfernstudium-de01b.mail.protection.outlook.com: 10
A / AAAA Records
- 89.106.200.1 ↩ edge.redirect.pizza
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-2005.awsdns-58.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-2005.awsdns-58.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-614.awsdns-12.net
ns-1441.awsdns-52.org
ns-2005.awsdns-58.co.uk
ns-503.awsdns-62.com
SPF Record
✓ Strict (-all)
v=spf1 include:khuiz4r42p.powerspf.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=75; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 75% of failing messages only
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
10 records- apple-domain-verification=NHg3K7QX7YWaPbxP
- atlassian-domain-verification=oOrPD2E/a8eYQwziujWTttLi87l974TWeTeYErbquXs1aQOQSGPvuT3GzCZFbflH
- ciscocidomainverification=5a14db5ac3cbfbbb41fc6e66dc01a2dd4eeac854a44e8f8a45ee5509d4d862f7
- facebook-domain-verification=f14931ll2ucidnlf0ag1l328kh8dub
- google-site-verification=NO2bNrW6rCC6DASO3fweJGigV1CuKVThs7VwKK0JM1E
- mentimeter-bca98016-015a-481a-88a4-f63aa4740cfd
- miro-verification=031ae4ecd740c7c8c61799a2cac546f7138ab8b5
- SPFv=spf1 include:khuiz4r42p.powerspf.com -all
- ZOOM_verify_FTX_tiTsQBefBMd8kxeXhA
- adobe-idp-site-verification=49851c8e79998fd28508668bd86fa6dc1aec495f94f5c01a9343f99bc7ecfd8a
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