Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isa-service.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 22:08:02 UTC · ↺ Refresh
MX Hostnames
- mx-02-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-02-eu-central-1.prod.hydra.sophos.com: 15
A / AAAA Records
- 88.198.220.153 ↩ dedi3651.your-server.de
- 2a01:4f8:d0a:5140::2 ↩ dedi3651.your-server.de
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
ns1.your-server.de postmaster.your-server.de 2025121100 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2025121100
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.246.115.232 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ 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
4 records- MS=ms60994868
- google-site-verification=KQdFXQqEd2YMRMMiiLLM--MtIgtQ-wOP0G2Rc-iAXMw
- sophos-domain-verification=aff2755a83703f657faa0cd77fcf44597d14bac6
- SPFv=spf1 ip4:62.246.115.232 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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