Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sb-solnhofen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 18:18:18 UTC · ↺ Refresh
MX Hostnames
- mx1.mas.t-systems-service.com
- mx2.mas.t-systems-service.com
- mx3.mas.t-systems-service.com
MX Priorities
- mx1.mas.t-systems-service.com: 10
- mx3.mas.t-systems-service.com: 30
- mx2.mas.t-systems-service.com: 20
A / AAAA Records
- 217.160.0.208 ↩ 217-160-0-208.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::239 ↩ 2001-08d8-100f-f000-0000-0000-0000-0239.elastic-ssl.ui-r.com
Mail Server IPs
- 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
- 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
- 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
- 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
- 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com
SOA Record
Raw SOA
ns1088.ui-dns.de hostmaster.1und1.de 2017020126 28800 7200 604800 300
Primary NS (mname)
ns1088.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017020126
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1088.ui-dns.org
ns1088.ui-dns.de
ns1088.ui-dns.biz
ns1088.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a:spf.mas.t-systems-service.com a:spf.solnhofer-holding.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- knowbe4-site-verification=cadfabea7f5c5512aa5e0bdef8fe8336
- SPFv=spf1 a:spf.mas.t-systems-service.com a:spf.solnhofer-holding.com -all
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