Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mbo-osswald.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 21:16:10 UTC · ↺ Refresh
MX Hostnames
- mailserver.mbo-osswald.de
MX Priorities
- mailserver.mbo-osswald.de: 10
A / AAAA Records
- 91.25.95.101 (no PTR)
Mail Server IPs
- 195.201.44.107 ↩ mailserver.mbo-osswald.de
- 162.55.213.115 ↩ mailserver.mbo-osswald.de
- 2a01:4f8:1c1c:7148::1 ↩ mailserver.mbo-osswald.de
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2026021501 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2026021501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.inwx.de
ns3.inwx.eu
ns.inwx.de
SPF Record
✓ Strict (-all)
v=spf1 include:spfhard.crsend.com +ip4:162.55.213.115 +ip4:195.201.44.107 +ip6:2a01:4f8:1c1c:7148::1 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spfhard.crsend.com +ip4:162.55.213.115 +ip4:195.201.44.107 +ip6:2a01:4f8:1c1c:7148::1 -all
- google-site-verification=RbGiJqQQFP3uKdi6uPOcCal3EToijPIOO0dGukDyOU8
- postman-domain-verification=43043a170a00f3e22f3ac8fa6084d64b20c98779fb3e2487be03d4ae272b407b2ddd5df953b97e6d6a11aa9c1e0b488ddfd87bf8a447cec8bfec1fe132fc2335
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