Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarzt-herrmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:32:16 UTC · ↺ Refresh
MX Hostnames
- mail01.coco-online.de
MX Priorities
- mail01.coco-online.de: 10
A / AAAA Records
- 3.67.156.255 ↩ ec2-3-67-156-255.eu-central-1.compute.amazonaws.com
- 18.184.228.43 ↩ ec2-18-184-228-43.eu-central-1.compute.amazonaws.com
- 18.158.200.229 ↩ ec2-18-158-200-229.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 3.79.195.157 ↩ mail01.coco-online.de
SOA Record
Raw SOA
ns-636.awsdns-15.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-636.awsdns-15.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1136.awsdns-14.org
ns-164.awsdns-20.com
ns-1891.awsdns-44.co.uk
ns-636.awsdns-15.net
SPF Record
✓ Strict (-all)
v=spf1 a:mail01.coco-online.de -all
📊 DNS lookups: 1/10
✓ 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: 392 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:mail01.coco-online.de -all
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