Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
copytron.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 13:46:31 UTC · ↺ Refresh
MX Hostnames
- smtp.cepharum.de
MX Priorities
- smtp.cepharum.de: 10
A / AAAA Records
- 188.245.101.159 ↩ www.hoer-electronic.de
Mail Server IPs
- 159.69.204.13 ↩ smtp.cepharum.de
- 2a01:4f8:1c0c:6f75::1 ↩ smtp.cepharum.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024110726 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024110726
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.org
ns.udag.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_dmarc.cepharum.de a:spf-mta-legacy-hosting.cepharum.de ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 a mx include:_dmarc.cepharum.de a:spf-mta-legacy-hosting.cepharum.de ~all
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