Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hollon.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 18:02:11 UTC · ↺ Refresh
MX Hostnames
- post.knipp.de
MX Priorities
- post.knipp.de: 15
A / AAAA Records
- 195.253.6.126 ↩ webredir.knipp.de
Mail Server IPs
- 195.253.54.4 ↩ post.knipp.de
SOA Record
Raw SOA
ns2.knipp.de dnsmaster.irondns.net 2023091843 10800 3000 2419200 900
Primary NS (mname)
ns2.knipp.de
Admin Email (rname)
dnsmaster@irondns.net
Serial
2023091843
Refresh
10800s
Retry
3000s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns3.knipp.de
ns2.knipp.de
ns17.knipp.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:post.knipp.de a:cmbox.knipp.de a:cmbox2.knipp.de ip4:195.253.33.160/28 ip4:195.253.54.0/24 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a:post.knipp.de a:cmbox.knipp.de a:cmbox2.knipp.de ip4:195.253.33.160/28 ip4:195.253.54.0/24 ~all
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