Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dena.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 10:13:14 UTC · ↺ Refresh
MX Hostnames
- mail.dena.de
MX Priorities
- mail.dena.de: 100
A / AAAA Records
- 88.215.207.41 (no PTR)
Mail Server IPs
- 217.110.184.149 ↩ mail.dena.de
- 2001:920:1998:3400::21 ↩ mail.dena.de
SOA Record
Raw SOA
ns6.sec-provider.de hostmaster.sec-provider.de 2026030901 7200 1800 2419200 3600
Primary NS (mname)
ns6.sec-provider.de
Admin Email (rname)
hostmaster@sec-provider.de
Serial
2026030901
Refresh
7200s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns5.sec-provider.de
ns6.sec-provider.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.110.184.149 ip4:194.29.226.42 ip4:88.215.207.124 include:spf.sec-provider.de include:spf.nl2go.com include:spf.lamapoll.de include:spf.protection.outlook.com include:_spf.zimpel.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._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
8 records- google-site-verification=ukZuNY_oMmJnRUMMMbZ7udPweEXAu3-LlfeojCR6yzc
- ZOOM_verify_f6ajRrrRSjaYBK8TQFGSEA
- cisco-ci-domain-verification=c852c68bf6d4cce7abed556a146450283521f7d5f26297d5307e6d74a7d7217
- have-i-been-pwned-verification=9075731676c10a4cf4c01874370fcf82
- nitro-verification-code=LTc0MjM3MzIwOTUyNjA5MTk0OTg=
- brevo-code:d3deb8165e18e1b2b857aa2e3e9c12c4
- MS=B562B568DE5F107EC4DB1BA122B037364925CAB6
- SPFv=spf1 ip4:217.110.184.149 ip4:194.29.226.42 ip4:88.215.207.124 include:spf.sec-provider.de include:spf.nl2go.com include:spf.lamapoll.de include:spf.protection.outlook.com include:_spf.zimpel.de -all
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