Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leffers.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:14:53 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 109.71.74.177 ↩ srv-a-go.c-2616.maxcluster.net
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns1.westinteractive.de root.ns1.westinteractive.de 1769079423 10800 3600 604800 3600
Primary NS (mname)
ns1.westinteractive.de
Admin Email (rname)
root@ns1.westinteractive.de
Serial
1769079423
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.westinteractive.de
ns2.westinteractive.de
SPF Record
✓ Strict (-all)
v=spf1 a:srv-a-go.c-2616.maxcluster.net ip6:2a03:4000:51:2::123 ip4:87.190.24.206 ip4:109.71.74.185 ip6:2a05:cc00::74:185:10 ip4:52.157.149.216 ip4:109.71.74.177 include:spf.crsend.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a:srv-a-go.c-2616.maxcluster.net ip6:2a03:4000:51:2::123 ip4:87.190.24.206 ip4:109.71.74.185 ip6:2a05:cc00::74:185:10 ip4:52.157.149.216 ip4:109.71.74.177 include:spf.crsend.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- duo_sso_verification=2qQK1caohzDxkXjzZsbGxbfxLfwqDfN0n1D3SG4j4d9zEJhLUvUar01jYQzhrzi2
- MS=ms64088920
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