Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cast.sdu.dk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-29 13:06:55 UTC · ↺ Refresh
MX Hostnames
- cast-sdu-dk.q-v1.mx.microsoft
MX Priorities
- cast-sdu-dk.q-v1.mx.microsoft: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.103.143 ↩ mail-miypr03cu00107.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
- 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c967::c ↩ mail-cpjpr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca21::e ↩ mail-matpr04cu00306.inbound.protection.outlook.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.sdu.dk -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
2 records- SPFv=spf1 include:_spf.sdu.dk -all
- apple-domain-verification=LK3qPkIeAINWkx09
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