Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mpimf-heidelberg.mpg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:31:34 UTC · ↺ Refresh
MX Hostnames
- c1234.mx.srv.dfn.de
- a1234.mx.srv.dfn.de
- b1234.mx.srv.dfn.de
MX Priorities
- a1234.mx.srv.dfn.de: 10
- c1234.mx.srv.dfn.de: 10
- b1234.mx.srv.dfn.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 194.95.232.102 ↩ a1234.mx.srv.dfn.de
- 194.95.238.102 ↩ c1234.mx.srv.dfn.de
- 194.95.234.102 ↩ b1234.mx.srv.dfn.de
SOA Record
Raw SOA
dns3.mpimf-heidelberg.mpg.de postmaster.mpimf-heidelberg.mpg.de 8044 3600 1200 604800 3600
Primary NS (mname)
dns3.mpimf-heidelberg.mpg.de
Admin Email (rname)
postmaster@mpimf-heidelberg.mpg.de
Serial
8044
Refresh
3600s
Retry
1200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns3.gwdg.de
dns2.gwdg.de
dns1.gwdg.de
dns3.mpimf-heidelberg.mpg.de
dns4.mpimf-heidelberg.mpg.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.gwdg.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
3 records- MS=A253533E6C8AAB3C42B3AA75C543BCEEB1C76ABB
- SPFv=spf1 mx include:spf.gwdg.de ~all
- adobe-idp-site-verification=7e0cc62c9de5d13b3fb20f9eefc98fe9d4f56e77aa6da3d518778b0344429ccf
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