Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
displayinsel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 08:59:16 UTC · ↺ Refresh
MX Hostnames
- mail.displayinsel.de
MX Priorities
- mail.displayinsel.de: 10
A / AAAA Records
- 172.67.175.41 (no PTR)
- 104.21.48.7 (no PTR)
- 2606:4700:3035::ac43:af29 (no PTR)
- 2606:4700:3035::6815:3007 (no PTR)
Mail Server IPs
- 157.173.104.198 ↩ vmd181938.contaboserver.net
- 2a02:c207:3018:1938::1 ↩ mail.displayinsel.de
SOA Record
Raw SOA
donna.ns.cloudflare.com dns.cloudflare.com 2397455652 10000 2400 604800 1800
Primary NS (mname)
donna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397455652
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
donna.ns.cloudflare.com
newt.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:157.173.104.198 include:spf.mailcow.email ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 736 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
2 records- google-site-verification=5iAodhavzT2i9XBEHuG-9uT4t_Bub8SXMr24nHEQ9Gs
- SPFv=spf1 mx a ip4:157.173.104.198 include:spf.mailcow.email ~all
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