Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
silberblick-optik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 19:37:48 UTC · ↺ Refresh
MX Hostnames
- mail.silberblick-optik.de
MX Priorities
- mail.silberblick-optik.de: 10
A / AAAA Records
- 176.9.109.219 ↩ server1.good-hosting.de
Mail Server IPs
- 176.9.109.219 ↩ server1.good-hosting.de
SOA Record
Raw SOA
ns.good-network.de info.silberblick-optik.de 2026031502 10800 3600 604800 10800
Primary NS (mname)
ns.good-network.de
Admin Email (rname)
info@silberblick-optik.de
Serial
2026031502
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns.good-network.de
ns.good-dns.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:server1.good-hosting.de include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 +a +mx +a:server1.good-hosting.de include:spf.crsend.com -all
- google-site-verification=1PF0pb-HmvcyR2efscypE-u52YGqgWzATgm0cs7MrxM
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