Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gentoo-blog.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 07:14:02 UTC · ↺ Refresh
MX Hostnames
- mail.gentoo-blog.de
MX Priorities
- mail.gentoo-blog.de: 0
A / AAAA Records
- 159.195.20.233 ↩ mail.gentoo-blog.de
- 2a0a:4cc0:c1:39e5:981a:baff:fe9f:caf7 (no PTR)
Mail Server IPs
- 159.195.20.233 ↩ mail.gentoo-blog.de
SOA Record
Raw SOA
doug.ns.cloudflare.com dns.cloudflare.com 2400427831 10000 2400 604800 1800
Primary NS (mname)
doug.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400427831
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nicole.ns.cloudflare.com
doug.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx mx:mail.gentoo-blog.de ip4:159.195.20.233 ip6:2a0a:4cc0:c1:39e5:981a:baff:fe9f:caf7 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=r; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx mx:mail.gentoo-blog.de ip4:159.195.20.233 ip6:2a0a:4cc0:c1:39e5:981a:baff:fe9f:caf7 -all
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