Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guinness.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 15:20:31 UTC · ↺ Refresh
MX Hostnames
- mail.guinness.de
MX Priorities
- mail.guinness.de: 10
A / AAAA Records
- 195.252.157.3 ↩ vm100205.psmanaged.com
Mail Server IPs
- 195.252.157.3 ↩ vm100205.psmanaged.com
SOA Record
Raw SOA
ns.domainnetwork.se hostmaster.cscdns.net 2013112217 28800 7200 1209600 86400
Primary NS (mname)
ns.domainnetwork.se
Admin Email (rname)
hostmaster@cscdns.net
Serial
2013112217
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.domainnetwork.com
ns.domainnetwork.se
ns2.domainnetwork.se
SPF Record
✓ Strict (-all)
v=spf1 ip4:195.252.157.3 -all
📊 DNS lookups: 0/10
✓ 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 ip4:195.252.157.3 -all
Full email verification for guinness.de
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