Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guericke.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:37:06 UTC · ↺ Refresh
MX Hostnames
- webmail.guericke.de
MX Priorities
- webmail.guericke.de: 10
A / AAAA Records
- 193.57.61.67 ↩ lv151.nbg1.linevast.de
Mail Server IPs
- 213.211.240.118 ↩ webmail.guericke.de
SOA Record
Raw SOA
ns1.linevast.com hostmaster.guericke.de 2026021203 3600 3600 1209600 86400
Primary NS (mname)
ns1.linevast.com
Admin Email (rname)
hostmaster@guericke.de
Serial
2026021203
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.linevast.com
ns1.linevast.com
ns3.linevast.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:193.57.60.141 a:custmail-out.boreus.de include:_spf.aareon.com include:_spf.rexx-suite.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- zone-ownership-verification-2131c85d4b374e7bb228c2f568d4a46c689b37430ea7d42abd05b16061527968
- SPFv=spf1 a mx ip4:193.57.60.141 a:custmail-out.boreus.de include:_spf.aareon.com include:_spf.rexx-suite.com -all
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