back-werk.de

Valid Email Server
Domain Lookup › back-werk.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
back-werk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 21:14:53 UTC · ↺ Refresh

MX Hostnames

  • relay.archivarus.de

MX Priorities

  • relay.archivarus.de: 10

A / AAAA Records

  • 192.162.28.43 ↩ srv20.webstyle.ch

Mail Server IPs

  • 212.223.26.78 ↩ arch-r01.serviceprovider.de

SOA Record

Raw SOA ns11.nameserver.de dnsmaster.ns11.nameserver.de 2025012202 86400 3600 604800 86400
Primary NS (mname)
ns11.nameserver.de
Admin Email (rname)
dnsmaster@ns11.nameserver.de
Serial
2025012202
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns11.nameserver.de
ns12.nameserver.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.clustermail.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

4 records
  • MS=ms46285399
  • SPFv=spf1 include:spf.clustermail.de -all
  • 8ptpn1j100qpi8gmh7q55cqsq3
  • have-i-been-pwned-verification=ae43cb03f8aa821c7164fe8b27c4d810
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