Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seidenspinner.de
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 23:48:51 UTC · ↺ Refresh
MX Hostnames
- de-smtp-inbound-1.mimecast.com
- de-smtp-inbound-2.mimecast.com
MX Priorities
- de-smtp-inbound-1.mimecast.com: 0
- de-smtp-inbound-2.mimecast.com: 0
A / AAAA Records
- 85.13.138.62 ↩ dd17526.kasserver.com
Mail Server IPs
- 194.104.108.22 ↩ de-smtp-inbound-2.mimecast.com
- 194.104.110.22 ↩ de-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2510251002 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2510251002
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:18.153.184.0/27 include:de._netblocks.mimecast.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms54743208
- knowbe4-site-verification=aeb185f54d31f23f09a4807ad3c00f2d
- MS=7AAD330C475DA26CF05B2D59CD319E7057A57468
- SPFv=spf1 ip4:18.153.184.0/27 include:de._netblocks.mimecast.com -all
- include:de._netblocks.mimecast.com
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