Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
andreas-zechlin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 00:08:06 UTC · ↺ Refresh
MX Hostnames
- mail.andreas-zechlin.de
MX Priorities
- mail.andreas-zechlin.de: 10
A / AAAA Records
- 162.55.129.173 ↩ trex01.serverport.de
- 2a01:4f8:271:5b8b::4 ↩ trex01.serverport.de
Mail Server IPs
- 162.55.129.151 ↩ mail01.serverport.de
SOA Record
Raw SOA
ns1.routing.net service.wikosoft.de 2026030102 3600 900 1209600 1800
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
service@wikosoft.de
Serial
2026030102
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns2.routing.net
ns1.routing.net
ns3.routing.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:trex01.serverport.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=s;aspf=s;fo=1:d:s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
1 record- SPFv=spf1 +a +mx +a:trex01.serverport.de -all
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