lupp.de

Valid Email Server
Domain Lookup › lupp.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lupp.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 00:02:51 UTC · ↺ Refresh

MX Hostnames

  • exchange.lupp.de

MX Priorities

  • exchange.lupp.de: 10

A / AAAA Records

  • 85.214.199.25 ↩ lupp.de

Mail Server IPs

  • 193.159.161.182 ↩ exchange.lupp.de

SOA Record

Raw SOA ns3.stratoserver.net hostmaster.strato-rz.de 2020052401 86400 7200 604800 300
Primary NS (mname)
ns3.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052401
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns4.stratoserver.net
ns3.stratoserver.net

SPF Record

✓ Strict (-all)
v=spf1 a mx a:k21982.coveto.de ip4:81.169.248.73 include:_spf.rexx-systems.com include:spf.protection.outlook.com include:_spf.reteach.io -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • goodnotes-verification=6a0abb4e-426c-489f-b25c-5a0f1d1cdaf4
  • MS=E1BAB26E9F108FDACC1E07AD8522E649E0AC3281
  • openai-domain-verification=dv-OL7DcpZuB84F1o75HyZWa3Uv
  • MS=ms39729591
  • SPFv=spf1 a mx a:k21982.coveto.de ip4:81.169.248.73 include:_spf.rexx-systems.com include:spf.protection.outlook.com include:_spf.reteach.io -all
  • apple-domain-verification=1i7TDyFQkIrpnKZP
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