Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
signundsinn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 14:34:54 UTC · ↺ Refresh
MX Hostnames
- k37o39.meinserver.io
MX Priorities
- k37o39.meinserver.io: 10
A / AAAA Records
- 78.46.26.8 ↩ k37o39.meinserver.io
Mail Server IPs
- 78.46.26.8 ↩ k37o39.meinserver.io
SOA Record
Raw SOA
dns.signundsinn.de hostmaster.signundsinn.de 2026032402 7200 900 1209600 180
Primary NS (mname)
dns.signundsinn.de
Admin Email (rname)
hostmaster@signundsinn.de
Serial
2026032402
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
dns.signundsinn.de
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:78.46.104.239/32 ip4:78.46.105.21/32 a:tool.signundsinn.de a:gitlab.signundsinn.de include:_spf.google.com include:spf.crsend.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=s; adkim=s; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
3 records- SPFv=spf1 mx a ip4:78.46.104.239/32 ip4:78.46.105.21/32 a:tool.signundsinn.de a:gitlab.signundsinn.de include:_spf.google.com include:spf.crsend.com -all
- google-site-verification=0AMiovARoE7AY1f4gGPijxlAwRLCXlFypySSvqdDl04
- google-site-verification=278w8Umyxfdczqjd1G2qcLq9qvMlWjWqTMyKEiTLOAY
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