Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
3dots.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 15:22:46 UTC · ↺ Refresh
MX Hostnames
- numail.3dots.de
MX Priorities
- numail.3dots.de: 0
A / AAAA Records
- 138.201.244.250 ↩ zota.3dots.de
Mail Server IPs
- 138.201.118.252 ↩ numail.3dots.de
- 2a01:4f8:c17:42c3::2 ↩ numail.3dots.de
SOA Record
Raw SOA
3dots.de fuck-you-denic.3dots.de 2016103103 300 300 300 300
Primary NS (mname)
3dots.de
Admin Email (rname)
fuck-you-denic@3dots.de
Serial
2016103103
Refresh
300s
Retry
300s
Expire
300s
Minimum TTL
300s
Nameservers (NS)
n0.3dots.de
n1.3dots.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
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