Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dewetech.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 12:52:00 UTC · ↺ Refresh
MX Hostnames
- dewetech.in.tmes.trendmicro.eu
MX Priorities
- dewetech.in.tmes.trendmicro.eu: 10
A / AAAA Records
- 188.68.47.48 ↩ a2f30.netcup.net
- 2a03:4000:30:2333::10:9090 (no PTR)
Mail Server IPs
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2026010643 28800 7200 1209600 300
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2026010643
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
second-dns.netcup.net
root-dns.netcup.net
third-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 include:sga1zmiwcz.powerspf.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=50; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:sga1zmiwcz.powerspf.com -all
- tmes=374a41aa2e2b56b8bb61a46cd1e20b67
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