Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jokisch-fluids.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:45:41 UTC · ↺ Refresh
MX Hostnames
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 62.138.208.103 ↩ srv103.dc-cluster.de
- 2a01:488:2000:d201::1d ↩ srv103.dc-cluster.de
Mail Server IPs
- 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
- 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
dns01-tld.t-online.de dns.telekom.de 2025121601 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2025121601
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns01-tld.t-online.de
dns02-tld.t-online.de
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.dc-cluster.de include:spf.crsend.com include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com ip4:91.25.133.250 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- apple-domain-verification=gDuojDAx1K7UO4rJ
- SPFv=spf1 a include:spf.dc-cluster.de include:spf.crsend.com include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com ip4:91.25.133.250 -all
- sophos-domain-verification=b7f3b1a63294ed326ec6858041566a706f4b446f
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