Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
neonblue.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 11:50:20 UTC · ↺ Refresh
MX Hostnames
- host08.networkinvest.de
MX Priorities
- host08.networkinvest.de: 10
A / AAAA Records
- 213.239.241.78 ↩ host08.networkinvest.de
Mail Server IPs
- 213.239.241.78 ↩ host08.networkinvest.de
- 2a01:4f8:a0:51d5::2 ↩ host08.networkinvest.de
SOA Record
Raw SOA
ns1.networkinvest.net support.networkinvest.de 2025092600 39940 14400 604800 180
Primary NS (mname)
ns1.networkinvest.net
Admin Email (rname)
support@networkinvest.de
Serial
2025092600
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
ns2.networkinvest.net
ns4.networkinvest.net
ns1.networkinvest.net
ns3.networkinvest.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:213.239.241.0/24 ip6:2a01:4f8:a0::/48 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms70221124
- SPFv=spf1 mx a ip4:213.239.241.0/24 ip6:2a01:4f8:a0::/48 include:spf.protection.outlook.com -all
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