Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
321stream.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 12:01:18 UTC · ↺ Refresh
MX Hostnames
- mail.321stream.de
MX Priorities
- mail.321stream.de: 10
A / AAAA Records
- 178.33.32.136 ↩ srv5.serverfr.com
Mail Server IPs
- 178.33.32.136 ↩ srv5.serverfr.com
SOA Record
Raw SOA
ns1.ntdns.de hostmaster.fastit.net 2026032601 10800 3600 604800 3600
Primary NS (mname)
ns1.ntdns.de
Admin Email (rname)
hostmaster@fastit.net
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.ntdns.de
ns1.ntdns.de
ns2.ntdns.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:srv5.serverfr.com include:smtp2.srv5.serverfr.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];sp=none;fo=1;adkim=r;aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx include:srv5.serverfr.com include:smtp2.srv5.serverfr.com -all
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