streitberger-bitter.de

Valid Email Server
Domain Lookup › streitberger-bitter.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
streitberger-bitter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 09:20:31 UTC · ↺ Refresh

MX Hostnames

  • mx1.mtaroutes.com
  • mx3.mtaroutes.com
  • mx2.mtaroutes.com
  • mx4.mtaroutes.com

MX Priorities

  • mx3.mtaroutes.com: 30
  • mx2.mtaroutes.com: 20
  • mx4.mtaroutes.com: 40
  • mx1.mtaroutes.com: 10

A / AAAA Records

  • 91.233.84.75 ↩ www.polyneo.de

Mail Server IPs

  • 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
  • 2001:550:2:61::2fc:100 (no PTR)
  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com

SOA Record

Raw SOA ns1.w3w.de dnsmaster.prodns.de 2022111801 14400 3600 2419200 300
Primary NS (mname)
ns1.w3w.de
Admin Email (rname)
dnsmaster@prodns.de
Serial
2022111801
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4.w3w.info
ns1.w3w.de
ns2.w3w.info
ns3.w3w.de
ns5.w3w.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:91.233.84.0/22 include:spf.busymouse24.de include:spf.mtaroutes.com -all
📊 DNS lookups: 4/10
✓ 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

1 record
  • SPFv=spf1 a mx ip4:91.233.84.0/22 include:spf.busymouse24.de include:spf.mtaroutes.com -all
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