Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sdui.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 15:56:00 UTC · ↺ Refresh
MX Hostnames
- sdui-de.mail.protection.outlook.com
MX Priorities
- sdui-de.mail.protection.outlook.com: 10
A / AAAA Records
- 185.244.167.226 ↩ website.sdui.de
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns100.ovh.net tech.ovh.net 2026031900 86400 3600 3600000 60
Primary NS (mname)
dns100.ovh.net
Admin Email (rname)
tech@ovh.net
Serial
2026031900
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
60s
Nameservers (NS)
ns100.ovh.net
dns100.ovh.net
SPF Record
✓ Strict (-all)
v=spf1 include:4580624.spf07.hubspotemail.net include:spf.protection.outlook.com include:spf.mailjet.com include:_spf.zimpel.de a mx ip4:45.132.125.234 ip4:185.244.166.32 ip4:185.244.166.11 ip4:185.244.166.5 ip4:157.90.144.113 ip4:185.245.60.68 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s;aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
dkim._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
11 records- slack-domain-verification=j7qODIgLmwGXpGN14U04FdrjQOMh8XO1fs7gHrfg
- atlassian-domain-verification=NKubuy3vTa2o1KaIB5n8tCuSTCCVRbfugeV704KB52Oe1njWda21Hi2nvoszqiku
- MS=ms74543694
- MS=ms208447
- 643c62b432155e4541e6b2c7452643a9
- SPFv=spf1 include:4580624.spf07.hubspotemail.net include:spf.protection.outlook.com include:spf.mailjet.com include:_spf.zimpel.de a mx ip4:45.132.125.234 ip4:185.244.166.32 ip4:185.244.166.11 ip4:185.244.166.5 ip4:157.90.144.113 ip4:185.245.60.68 -all
- anthropic-domain-verification-6c6exy=ReEmlNJ0R3x71WtnsZGn1sTRk
- pardot1095722=fe30f456194f4a33df16899ac4da1bff99af01658d374d8d501a98f653b3b548
- sending_domain1095722=a756777fc9223a33de2ce4cb1809dae438f936c358e86800a39f4e53ca2d8c34
- google-site-verification=HZqTZZAtz5dx-GudW-RH6hafIksjMSecOKChhQK8GXI
- apple-domain-verification=9GAWSJ28xhzZAG7e
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