Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
celler-city-gutschein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 15:04:50 UTC · ↺ Refresh
MX Hostnames
- utm.stadtwerke-celle.de
MX Priorities
- utm.stadtwerke-celle.de: 10
A / AAAA Records
- 82.165.77.140 ↩ ncc-1906.monsternetwork.de
- 2001:8d8:1801:8019::1 ↩ ncc-1906.monsternetwork.de
Mail Server IPs
- 217.92.233.36 ↩ utm.stadtwerke-celle.de
SOA Record
Raw SOA
ns1.plusserver.com hostmaster.plusserver.com 2023113001 1800 900 604800 900
Primary NS (mname)
ns1.plusserver.com
Admin Email (rname)
hostmaster@plusserver.com
Serial
2023113001
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns2.plusserver.com
ns3.plusserver.com
ns1.plusserver.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.92.233.36 include:_spf.rebos.online -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
1 record- SPFv=spf1 a mx ip4:217.92.233.36 include:_spf.rebos.online -all
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