Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mb-oss.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 15:37:43 UTC · ↺ Refresh
MX Hostnames
- hermes.mb-oss.de
MX Priorities
- hermes.mb-oss.de: 10
A / AAAA Records
- 79.140.42.88 ↩ hermes.mb-oss.de
Mail Server IPs
- 79.140.42.88 ↩ hermes.mb-oss.de
- 2a00:17d8:100:2::932 ↩ hermes.mb-oss.de
SOA Record
Raw SOA
ns1.hosting.de hostmaster.mb-oss.de 2026032600 86400 7200 3600000 3600
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@mb-oss.de
Serial
2026032600
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns3.hosting.de
ns2.hosting.de
ns1.hosting.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:79.140.42.88 ip6:2a00:17d8:0100:0002::0931/124 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 a mx ip4:79.140.42.88 ip6:2a00:17d8:0100:0002::0931/124 -all
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