Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leap.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 23:46:43 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- smtp.google.com.leap.de
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- smtp.google.com.leap.de: 25
- alt4.aspmx.l.google.com: 15
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 85.13.143.80 ↩ dd32124.kasserver.com
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
SOA Record
Raw SOA
a.ns14.net it.leap.de 2026011605 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
it@leap.de
Serial
2026011605
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
c.ns14.net
a.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a include:servers.mcsv.net include:_spf.google.com include:maildomain._spf.datev.de include:spf.nl2go.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s; pct=90; sp=none; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 90% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
mail._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- facebook-domain-verification=gban382akiir4lf8fgebxxqf8fp03h
- logmein-verification-code=ebaea89a-625b-435b-b72a-b24ed4dade40
- SPFv=spf1 a include:servers.mcsv.net include:_spf.google.com include:maildomain._spf.datev.de include:spf.nl2go.com -all
- brevo-code:8f08b0f84fc0641f128b3dfee38e039c
- sophos-domain-verification=c29f11a19ada8403303e7dd06d1b5778bc9dd460ca13920f54827d8fb87ed46c
- openai-domain-verification=dv-Qptq7B6AeFdb7J3jy1KW6hGa
- globalsign-domain-verification=8GraZhfl9UJBIeBsMe2zdng7sKPtyAfQDtFb6SZ3Se
- globalsign-domain-verification=z8QyNNxW4Z_Fc11KXaPHL8WQlV9nBvcf2qvWxsKrEz
- atlassian-domain-verification=FozekeGmfGGj+bSvCSBZGuhat28YwPOG79+28ZF6mEKQqmuncjRlX9/Emd0IaQ5g
Full email verification for leap.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits