Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swing-rfe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 21:54:42 UTC · ↺ Refresh
MX Hostnames
- smtp.swing-rfe.de
MX Priorities
- smtp.swing-rfe.de: 10
A / AAAA Records
- 83.136.250.21 ↩ 83-136-250-21.uk-lon1.upcloud.host
Mail Server IPs
- 83.136.250.21 ↩ 83-136-250-21.uk-lon1.upcloud.host
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010102 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010102
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns10.digicertdns.com
ns13.digicertdns.net
ns14.digicertdns.net
ns15.digicertdns.net
ns12.digicertdns.com
ns11.digicertdns.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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