Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
mm-no.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:28:58 UTC · ↺ Refresh
MX Hostnames
- cressida.uberspace.de
MX Priorities
- cressida.uberspace.de: 0
A / AAAA Records
- 82.79.179.111 (no PTR)
Mail Server IPs
- 185.26.156.202 ↩ cressida.uberspace.de
- 2a00:d0c0:200:0:141f:8aff:fe29:f1d8 ↩ cressida.uberspace.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026082400 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026082400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.uberspace.de ~all
📊 DNS lookups: 1/10
~ 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
1 record- SPFv=spf1 include:spf.uberspace.de ~all
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