Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hfmdd.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 18:54:43 UTC · ↺ Refresh
MX Hostnames
- mail.hfmdd.de
- hfmmail.hfmdd.de
MX Priorities
- hfmmail.hfmdd.de: 5
- mail.hfmdd.de: 500
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 193.175.195.50 ↩ hfmmail.hfmdd.de
- 193.175.195.55 ↩ mail.hfmdd.de
SOA Record
Raw SOA
deneb.dfn.de hostmaster.dfn.de 2025120502 28800 7200 3024000 3600
Primary NS (mname)
deneb.dfn.de
Admin Email (rname)
hostmaster@dfn.de
Serial
2025120502
Refresh
28800s
Retry
7200s
Expire
3024000s
Minimum TTL
3600s
Nameservers (NS)
dns-3.dfn.de
dns-1.dfn.de
dns-2.dfn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:193.175.195.55 ip4:193.175.195.19 ip4:193.175.195.50 include:_spf.zih.tu-dresden.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
default._domainkey
s1._domainkey
✓ Public key: 216 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
3 records- atlassian-sending-domain-verification=2f680042-9103-467a-8e5d-4c09b8414934
- MS=5DB8857A2C11851285B22CE7E8E0552F692E34C8
- SPFv=spf1 ip4:193.175.195.55 ip4:193.175.195.19 ip4:193.175.195.50 include:_spf.zih.tu-dresden.de ~all
Full email verification for hfmdd.de
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