duerrdental.com

Valid Email Server
Domain Lookup › duerrdental.com

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
duerrdental.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 09:51:10 UTC · ↺ Refresh

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MX Hostnames

  • mx01.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx04.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx03.hornetsecurity.com: 30
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10

A / AAAA Records

  • 157.90.228.198 ↩ mendelsohn.becklyn.com

Mail Server IPs

  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024083282 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024083282
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.de
ns.udag.org
ns.udag.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:148.251.99.83 ip4:148.251.99.84 ip4:153.92.196.166 include:_spf.atlassian.net include:_spf.senders.scnem.com include:agenturserver.de include:_spf.senders.dc.aeb.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.salesforce.com -all
📊 DNS lookups: 7/10
✓ 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

10 records
  • google-site-verification=WGhmS5OeHxSm5SrGyl6xK_qCzViTHVkyOF3G5bCnr5E
  • zXBDUCKTTpIeXDSjtuoZvz8yWiDOTrXDv45E5FSUbMuqOjhDHo9QO37D5CtyhPVUAiTwabcyjCelIt68pz1B2Q==
  • paddle-verification=6c56fc85
  • apple-domain-verification=AdGTy99vcfVYFFji
  • paddle-verification=6cfdd5f8
  • atlassian-sending-domain-verification=5d8766d7-3fe4-429c-820a-582e7cfc850c
  • atlassian-domain-verification=z5TYH8KgnLhwtY1VbQMmDnqO2TcMtztD2STdIX1XZ2iKUs5lH7MLiN7er162k7xW
  • SPFv=spf1 ip4:148.251.99.83 ip4:148.251.99.84 ip4:153.92.196.166 include:_spf.atlassian.net include:_spf.senders.scnem.com include:agenturserver.de include:_spf.senders.dc.aeb.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf.salesforce.com -all
  • MS=ms20638567
  • bTJVgoaAMCczySn7FsS0
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