Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hoertling.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 00:52:19 UTC · ↺ Refresh
MX Hostnames
- mail.hoertling.de
MX Priorities
- mail.hoertling.de: 10
A / AAAA Records
- 87.118.84.250 ↩ ns.km35429-02.keymachine.de
Mail Server IPs
- 87.118.84.250 ↩ ns.km35429-02.keymachine.de
SOA Record
Raw SOA
ns.km35429-02.keymachine.de postmaster.tcs-online.de 2025021300 10800 3600 604800 10800
Primary NS (mname)
ns.km35429-02.keymachine.de
Admin Email (rname)
postmaster@tcs-online.de
Serial
2025021300
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns.km35429-02.keymachine.de
ns2.km35429-02.keymachine.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=s;aspf=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 -all
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