Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
businessinn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 01:18:43 UTC · ↺ Refresh
MX Hostnames
- serv15.avernis.de
MX Priorities
- serv15.avernis.de: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 176.9.89.163 ↩ serv15.avernis.de
- 2a01:4f8:151:30a2::163 ↩ serv15.avernis.de
SOA Record
Raw SOA
dns.avernis.eu whois-16.avernis.de 2016072291 86400 10800 2592000 3600
Primary NS (mname)
dns.avernis.eu
Admin Email (rname)
whois-16@avernis.de
Serial
2016072291
Refresh
86400s
Retry
10800s
Expire
2592000s
Minimum TTL
3600s
Nameservers (NS)
dns.avernis.de
dns.avernis.eu
dns.avernis.net
SPF Record
✓ Strict (-all)
v=spf1 a:serv15.avernis.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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:serv15.avernis.de -all
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