Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
michling.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 20:36:10 UTC · ↺ Refresh
MX Hostnames
- srv3.kofferserver.de
MX Priorities
- srv3.kofferserver.de: 10
A / AAAA Records
- 213.136.73.55 ↩ srv3.kofferserver.de
Mail Server IPs
- 213.136.73.55 ↩ srv3.kofferserver.de
- 2a02:c207:3005:7458::1 ↩ srv3.kofferserver.de
SOA Record
Raw SOA
ns1.routing.net hostmaster.routing.net 2022102300 3600 3600 86400 900
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
hostmaster@routing.net
Serial
2022102300
Refresh
3600s
Retry
3600s
Expire
86400s
Minimum TTL
900s
Nameservers (NS)
ns3.routing.net
ns1.routing.net
ns2.routing.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:srv3.kofferserver.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 +a +mx +a:srv3.kofferserver.de -all
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