Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spark5.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 09:52:39 UTC · ↺ Refresh
MX Hostnames
- mail.spark5.de
- mail-standby.spark5.de
MX Priorities
- mail-standby.spark5.de: 20
- mail.spark5.de: 10
A / AAAA Records
- 46.4.177.133 ↩ static.133.177.4.46.clients.your-server.de
- 213.221.109.198 (no PTR)
Mail Server IPs
- 46.4.177.139 ↩ mail-standby.spark5.de
- 213.221.109.204 ↩ mail.spark5.de
SOA Record
Raw SOA
a.ns14.net domains.spark5.de 2026011900 43200 7200 1209600 60
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domains@spark5.de
Serial
2026011900
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
60s
Nameservers (NS)
d.ns14.net
b.ns14.net
c.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf.google.com ip4:185.3.187.240/28 ip4:213.221.91.0/26 ip4:185.3.185.112/28 ip4:62.80.8.169 ip4:212.6.184.198 ip4:212.6.184.199 ip4:212.6.184.200 ip4:212.6.184.201 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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- google-site-verification=GTyoevivss29w38DkH9KlNE42MQNEy8Q3UAPQ27ixT4
- spf2.0/mfrom
- SPFv=spf1 mx include:_spf.google.com ip4:185.3.187.240/28 ip4:213.221.91.0/26 ip4:185.3.185.112/28 ip4:62.80.8.169 ip4:212.6.184.198 ip4:212.6.184.199 ip4:212.6.184.200 ip4:212.6.184.201 -all
- amazonses:x4sSRRMxg4lrBLQ41r04wfnxWVGNxifcTlZmK30YGE4=
Full email verification for spark5.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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