Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pts-systemtechnik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 21:25:23 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
- mx-02-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 37.148.205.114 ↩ 114.205.148.37.host.secureserver.net
- 2a00:1169:113:3d00:: (no PTR)
Mail Server IPs
- 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
- 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ns31.domaincontrol.com dns.jomax.net 2026011315 28800 7200 604800 600
Primary NS (mname)
ns31.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011315
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns32.domaincontrol.com
ns31.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
selector1._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
2 records- SPFv=spf1 mx include:_spf_eucentral1.prod.hydra.sophos.com -all
- sophos-domain-verification=78e103cb0ee687fb615c3941bd6eb2330d1087f1
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