Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flip-flop.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 20:10:32 UTC · ↺ Refresh
MX Hostnames
- cluster.schwarz-it.de
MX Priorities
- cluster.schwarz-it.de: 10
A / AAAA Records
- 23.227.38.64 ↩ shops.myshopify.com
Mail Server IPs
- 85.115.54.190 ↩ cluster-j.mailcontrol.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026030200 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026030200
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.nroute.de include:cluster.schwarz-it.de include:spf.crsend.com include:shops.shopify.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;pct=50;adkim=r;aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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
4 records- SPFv=spf1 a mx include:spf.nroute.de include:cluster.schwarz-it.de include:spf.crsend.com include:shops.shopify.com -all
- brevo-code:13fe41b5b696cc12e9bafd3dee330b4c
- facebook-domain-verification=m61qgukbkm6sa9iezvklpws70ylz4t
- klaviyo-site-verification=XtMD2d
Full email verification for flip-flop.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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