Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
adfc-frankfurt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 21:06:22 UTC · ↺ Refresh
MX Hostnames
- mail-gateway.adfc-hessen-server.de
MX Priorities
- mail-gateway.adfc-hessen-server.de: 1
A / AAAA Records
- 92.205.16.21 ↩ 21.16.205.92.host.secureserver.net
Mail Server IPs
- 46.224.93.54 ↩ mail-gateway.adfc-hessen-server.de
SOA Record
Raw SOA
21.16.205.92.host.secureserver.net web-admin.adfc-frankfurt.de 2026030802 3600 3600 1209600 10800
Primary NS (mname)
21.16.205.92.host.secureserver.net
Admin Email (rname)
web-admin@adfc-frankfurt.de
Serial
2026030802
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
21.16.205.92.host.secureserver.net
pdns02.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx a:mailout.adfc-hessen.de a:mail-gateway.adfc-hessen-server.de include:secureserver.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ 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 mx a:mailout.adfc-hessen.de a:mail-gateway.adfc-hessen-server.de include:secureserver.net -all
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