Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ruebeling.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 03:18:38 UTC · ↺ Refresh
MX Hostnames
- mx-01-eu-central-1.prod.hydra.sophos.com
- mx-02-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
- 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ans0.ewetel.de hostmaster.ewetel.de 2026021304 40000 3600 604800 86400
Primary NS (mname)
ans0.ewetel.de
Admin Email (rname)
hostmaster@ewetel.de
Serial
2026021304
Refresh
40000s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ans1.ewetel.net
ans2.ewetel.de
ans3.ewetel.net
ans0.ewetel.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:90.187.90.101 ip4:217.86.210.151 include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
selector1._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
3 records- SPFv=spf1 mx ip4:90.187.90.101 ip4:217.86.210.151 include:_spf_eucentral1.prod.hydra.sophos.com -all
- sophos-domain-verification=bbea27bec9ea38c54850502a76ff1a3c10d6a308
- sophos-domain-verification=7619bac4ac4f79bd0ddf3a6cb8dc94b12e663b043ff9bd58eadd1440504e11f1
Full email verification for ruebeling.de
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