Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nds-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:48:40 UTC · ↺ Refresh
MX Hostnames
- mail.nds.gmbh
MX Priorities
- mail.nds.gmbh: 5
A / AAAA Records
- 193.201.24.52 (no PTR)
Mail Server IPs
- 91.103.117.221 (no PTR)
SOA Record
Raw SOA
ns1.ns-serve.net root.ns1.ns-serve.net 1753084844 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1753084844
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.ns-serve.net
ns1.ns-serve.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:91.103.117.218 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms40583779
- SPFv=spf1 mx ip4:91.103.117.218 include:spf.protection.outlook.com -all
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