Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
specktrum-buero.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 16:26:06 UTC · ↺ Refresh
MX Hostnames
- plmail.comtrance.net
MX Priorities
- plmail.comtrance.net: 10
A / AAAA Records
- 84.19.11.201 ↩ pl03.comtrance.net
Mail Server IPs
- 84.19.1.18 ↩ plmail.comtrance.net
SOA Record
Raw SOA
ns1.comtrance.de domain.comtrance.net 2018100139 28800 7200 604800 300
Primary NS (mname)
ns1.comtrance.de
Admin Email (rname)
domain@comtrance.net
Serial
2018100139
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.comtrance.de
ns1.comtrance.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:89.107.64.0/21 ip4:62.108.32.0/19 ip4:93.190.88.0/21 ip4:194.113.216.0/23 ip4:84.19.0.0/19 ip4:195.62.20.0/23 ip6:2a00:f70::/32 -all
📊 DNS lookups: 0/10
✓ 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 ip4:89.107.64.0/21 ip4:62.108.32.0/19 ip4:93.190.88.0/21 ip4:194.113.216.0/23 ip4:84.19.0.0/19 ip4:195.62.20.0/23 ip6:2a00:f70::/32 -all
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