Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-gustav.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:24:44 UTC · ↺ Refresh
MX Hostnames
- mail.dr-gustav.de
MX Priorities
- mail.dr-gustav.de: 10
A / AAAA Records
- 84.19.186.9 ↩ lah-a2.de
Mail Server IPs
- 84.19.186.9 ↩ lah-a2.de
SOA Record
Raw SOA
ns2.lah-a2.de smile.devera.dev 2026013002 10800 3600 1209600 10800
Primary NS (mname)
ns2.lah-a2.de
Admin Email (rname)
smile@devera.dev
Serial
2026013002
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.lah-a2.de
ns1.lah-a2.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:lah-a2.de ip6:2001:1b60:2:181:1116::1 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 +a:lah-a2.de ip6:2001:1b60:2:181:1116::1 -all
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