Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
behrendt-cobos.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 17:27:33 UTC · ↺ Refresh
MX Hostnames
- behrendt-cobos.de
MX Priorities
- behrendt-cobos.de: 0
A / AAAA Records
- 49.12.201.0 ↩ hades.m-hserver.de
Mail Server IPs
- 49.12.201.0 ↩ hades.m-hserver.de
SOA Record
Raw SOA
helium.ns.hetzner.de postmaster.behrendt-cobos.de 2026031601 3600 3600 1209600 10800
Primary NS (mname)
helium.ns.hetzner.de
Admin Email (rname)
postmaster@behrendt-cobos.de
Serial
2026031601
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:49.12.201.0 -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
1 record- SPFv=spf1 a mx ip4:49.12.201.0 -all
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