Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heydev.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 18:48:01 UTC · ↺ Refresh
MX Hostnames
- mail.heydev.de
MX Priorities
- mail.heydev.de: 10
A / AAAA Records
- 212.46.102.82 ↩ c10253.hkn.net
Mail Server IPs
- 212.46.102.82 ↩ c10253.hkn.net
SOA Record
Raw SOA
ns1.febas.de info.febas.de 2026022002 28800 7200 604800 86400
Primary NS (mname)
ns1.febas.de
Admin Email (rname)
info@febas.de
Serial
2026022002
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.febas.de
ns4.febas.de
ns1.febas.de
ns2.febas.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -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
✓ 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- google-site-verification=uhc77rIxaIw3YGAEadaSiROOn9OBG7dP6-qHl7iHSoo
- SPFv=spf1 a mx -all
- seobility=5127f6bff9f439691095f07ee306667f
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