aerzteschaft-heidelberg.de

Valid Email Server
Domain Lookup › aerzteschaft-heidelberg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
aerzteschaft-heidelberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 21:00:05 UTC · ↺ Refresh

MX Hostnames

  • mx03.hornetsecurity.com
  • mx01.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

  • 76.223.24.56 ↩ a4c99626bf9cb2bbb.awsglobalaccelerator.com
  • 13.248.242.255 ↩ a4c99626bf9cb2bbb.awsglobalaccelerator.com
  • 2600:9000:a717:9c:7463:8fa2:5091:a2c0 ↩ a4c99626bf9cb2bbb.dualstack.awsglobalaccelerator.com
  • 2600:9000:a41a:e515:1c94:45b0:233a:66b7 ↩ a4c99626bf9cb2bbb.dualstack.awsglobalaccelerator.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 ns1.your-server.de postmaster.your-server.de 2025112000 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2025112000
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.236.252.0/24 ip4:212.82.237.64/26 ip4:62.154.228.0/24 ip4:62.154.229.0/24 ip4:62.154.230.0/24 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

3 records
  • atlassian-domain-verification=btRgNhcysyI5SQrTiX2Nq/ajGCifg1BUNIypslxrXpQgy92zReQMbqvoV579zYGg
  • SPFv=spf1 ip4:185.236.252.0/24 ip4:212.82.237.64/26 ip4:62.154.228.0/24 ip4:62.154.229.0/24 ip4:62.154.230.0/24 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
  • MS=ms56844796
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