Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tnb-tennis.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 11:46:06 UTC · ↺ Refresh
MX Hostnames
- mx14c.antispameurope.com
- mx14d.antispameurope.com
- mx14b.antispameurope.com
- mx14a.antispameurope.com
MX Priorities
- mx14b.antispameurope.com: 20
- mx14c.antispameurope.com: 30
- mx14d.antispameurope.com: 40
- mx14a.antispameurope.com: 10
A / AAAA Records
- 78.46.224.150 ↩ dedi3489.your-server.de
Mail Server IPs
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 94.100.134.100 ↩ nlb01-hz3.hornetsecurity.com
- 94.100.132.100 ↩ hsmx01.antispameurope.com
- 83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026020902 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026020902
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
✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com include:spf.brevo.com mx a ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=50;adkim=r;aspf=r;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ 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- brevo-code:3cc741fa8b43029a859c38a21c5d2611
- SPFv=spf1 include:spf.hornetsecurity.com include:spf.brevo.com mx a ~all
- MS=7EA44C7B8A5FBF621C4A539093827227B7B0ABEC
- MS=ms66381335
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