Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
golssener.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:43:18 UTC · ↺ Refresh
MX Hostnames
- mx2.mas.t-systems-service.com
- mx3.mas.t-systems-service.com
- mx1.mas.t-systems-service.com
MX Priorities
- mx1.mas.t-systems-service.com: 10
- mx2.mas.t-systems-service.com: 20
- mx3.mas.t-systems-service.com: 30
A / AAAA Records
- 92.205.173.102 ↩ 102.173.205.92.host.secureserver.net
Mail Server IPs
- 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
- 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
- 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
- 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
- 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2026013043 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026013043
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns09.domaincontrol.com
ns10.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a:spf.mas.t-systems-service.com a:mail.golssener.de a:mailout.golssener.de mx:outbound.mas.t-systems-service.com ip4:80.153.39.246 -all
📊 DNS lookups: 4/10
✓ 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
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a:spf.mas.t-systems-service.com a:mail.golssener.de a:mailout.golssener.de mx:outbound.mas.t-systems-service.com ip4:80.153.39.246 -all
- 6gto43i9hdeqkj52tcro392g9r
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