Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s-und-v.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 18:52:30 UTC · ↺ Refresh
MX Hostnames
- mx16c.antispameurope.com
- mx16a.antispameurope.com
- mx16d.antispameurope.com
- mx16b.antispameurope.com
MX Priorities
- mx16b.antispameurope.com: 20
- mx16d.antispameurope.com: 40
- mx16a.antispameurope.com: 10
- mx16c.antispameurope.com: 30
A / AAAA Records
- 84.38.79.51 (no PTR)
Mail Server IPs
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 94.100.132.100 ↩ hsmx01.antispameurope.com
- 94.100.134.10 ↩ hsmx06.antispameurope.com
SOA Record
Raw SOA
dns01.dns-on.de hostmaster.dns-on.de 2015061819 10800 1800 604800 1800
Primary NS (mname)
dns01.dns-on.de
Admin Email (rname)
hostmaster@dns-on.de
Serial
2015061819
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dns01.dns-on.de
dns02.dns-on.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:remote.s-und-v.de include:spf.hornetsecurity.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 mx a:remote.s-und-v.de include:spf.hornetsecurity.com -all
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