Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
streifeneder.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:09:28 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 120
- mx03.hornetsecurity.com: 130
- mx04.hornetsecurity.com: 140
- mx01.hornetsecurity.com: 110
A / AAAA Records
- 104.21.64.158 (no PTR)
- 172.67.186.172 (no PTR)
- 2606:4700:3030::ac43:baac (no PTR)
- 2606:4700:3033::6815:409e (no PTR)
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
lina.ns.cloudflare.com dns.cloudflare.com 2396955462 10000 2400 604800 1800
Primary NS (mname)
lina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396955462
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
moura.ns.cloudflare.com
lina.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.53.204.135 ip4:185.53.204.136 include:spf.nl2go.com include:spf.hornetsecurity.com include:_60fdaedaa51f11ecc965e651f84c546d.spf.dnssmarthost.net include:_spf.rexx-suite.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1:s:d; pct=100; ri=3600;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 ip4:185.53.204.135 ip4:185.53.204.136 include:spf.nl2go.com include:spf.hornetsecurity.com include:_60fdaedaa51f11ecc965e651f84c546d.spf.dnssmarthost.net include:_spf.rexx-suite.com include:spf.protection.outlook.com -all
- MS=C425102F03B26D76F04D0AA8CDA72796D6256346
- apple-domain-verification=OBxvpY29JgSGHSDb
- brevo-code:9b31bf37f97a6ad266b3dfab370484b6
- google-site-verification=QNSN5ZHCoboCWjEppicZoRmAByBp7QGFHmXllXgWptg
- himf7t6689ehjejhdsr7lsuun4
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