Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
streck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 18:50:05 UTC · ↺ Refresh
MX Hostnames
- mx-30758795.mail.eu.retarus.com
MX Priorities
- mx-30758795.mail.eu.retarus.com: 10
A / AAAA Records
- 217.28.100.101 ↩ www19.badencloud.de
Mail Server IPs
- 94.199.92.130 ↩ mx-in01.eu.retarus.com
- 94.199.89.39 ↩ mx-in02.eu.retarus.com
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2026011906 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2026011906
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns1.telekom-domains.de
ns2.telekom-domains.de
SPF Record
✓ Strict (-all)
v=spf1 a ip4:217.28.100.101 ip4:78.138.70.20 include:_spf.retarus.com include:spf.protection.outlook.com include:_spf.riege.com include:spf.de.umantis.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=s; adkim=r; fo=1; ri=259200
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- mindmanager-verification=e87ea04299b34623a5e4bc8ee1d64e15fe3cb8cb484c5633487a292760d1cb7b
- SPFv=spf1 a ip4:217.28.100.101 ip4:78.138.70.20 include:_spf.retarus.com include:spf.protection.outlook.com include:_spf.riege.com include:spf.de.umantis.com -all
- PkgdF+lk3L9/3dJEpbn+NVD0vq+U3pf/CvmmSTS6kH6uVnkD2wWjhokCIzsCJqdsFj5O4t7of+2CDCip+dxfWg==
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