Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heider-energie.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:49:42 UTC · ↺ Refresh
MX Hostnames
- mail.sesc-it.de
MX Priorities
- mail.sesc-it.de: 10
A / AAAA Records
- 188.40.159.129 ↩ vm129.vhost.sesc-it.de
Mail Server IPs
- 188.40.159.128 ↩ mail.sesc-it.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026032000 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026032000
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:188.40.159.131 ip4:62.67.47.165 include:hostedoffice.ag -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx ip4:188.40.159.131 ip4:62.67.47.165 include:hostedoffice.ag -all
- MS=08A1ACF31AECE45B23555C179B5E39431C185060
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