Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
formel-f.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:52:33 UTC · ↺ Refresh
MX Hostnames
- mail.formel-f.com
MX Priorities
- mail.formel-f.com: 10
A / AAAA Records
- 94.186.212.84 ↩ rz.rau.biz
Mail Server IPs
- 94.186.212.84 ↩ rz.rau.biz
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2023072800 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2023072800
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
hydrogen.ns.hetzner.com
helium.ns.hetzner.de
oxygen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 include:rz.rau.biz include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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
⚠ 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
1 record- SPFv=spf1 include:rz.rau.biz include:spf.protection.outlook.com -all
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