Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
croonen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 00:26:11 UTC · ↺ Refresh
MX Hostnames
- mx-01-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
- mx-01-eu-central-1.prod.hydra.sophos.com: 20
A / AAAA Records
- 195.192.131.253 (no PTR)
Mail Server IPs
- 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
- 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ns01.dokumenta.net dnsmaster.dokumenta.net 2025101501 43200 3600 1209600 86400
Primary NS (mname)
ns01.dokumenta.net
Admin Email (rname)
dnsmaster@dokumenta.net
Serial
2025101501
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dokudns.dokumenta.net
ns01.dokumenta.net
ns02.dokumenta.net
dokudns01.dokumenta.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:81.18.96.39 include:_spf_eucentral1.prod.hydra.sophos.com include:mailout1.mandarin-medien.de include:rm01.croonen.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=quarantine; adkim=r; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms69758838
- SPFv=spf1 mx ip4:81.18.96.39 include:_spf_eucentral1.prod.hydra.sophos.com include:mailout1.mandarin-medien.de include:rm01.croonen.de include:spf.protection.outlook.com ~all
- sophos-domain-verification=bff925e07e48d78e6f65bbcff3146746e38ff7c8
- sophos-domain-verification=3e0414bcc65f75cc03cd4ac83815d8c4b2918fe4cfd62cff987045dbfe8986e6
Full email verification for croonen.de
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