Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tup-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 19:08:08 UTC · ↺ Refresh
MX Hostnames
- mail2.tup-online.de
- mail1.tup-online.de
MX Priorities
- mail1.tup-online.de: 5
- mail2.tup-online.de: 10
A / AAAA Records
- 185.158.13.167 (no PTR)
Mail Server IPs
- 185.150.49.132 ↩ mail1.tup-online.de
- 91.25.224.170 (no PTR)
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2025101339 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025101339
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
third-dns.netcup.net
second-dns.netcup.net
root-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 mx a:mx4.eventim.de ip4:192.166.192.148 include:_spf.spiritec-server.de include:_spf.webhosting.systems -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ 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 mx a:mx4.eventim.de ip4:192.166.192.148 include:_spf.spiritec-server.de include:_spf.webhosting.systems -all
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