Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drfz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 15:56:06 UTC · ↺ Refresh
MX Hostnames
- a1301.mx.srv.dfn.de
- c1301.mx.srv.dfn.de
- b1301.mx.srv.dfn.de
MX Priorities
- b1301.mx.srv.dfn.de: 10
- a1301.mx.srv.dfn.de: 10
- c1301.mx.srv.dfn.de: 10
A / AAAA Records
- 164.90.217.45 (no PTR)
Mail Server IPs
- 194.95.234.68 ↩ b1301.mx.srv.dfn.de
- 194.95.232.68 ↩ a1301.mx.srv.dfn.de
- 194.95.238.68 ↩ c1301.mx.srv.dfn.de
SOA Record
Raw SOA
dns.drfz.de postmaster.drfz.de 2028815544 10800 3600 604800 600
Primary NS (mname)
dns.drfz.de
Admin Email (rname)
postmaster@drfz.de
Serial
2028815544
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
dns.drfz.de
dns-3.dfn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:194.95.186.130 ip4:85.236.55.115 a:mars.drfz.de include:_spf.o130.mx.srv.dfn.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- adobe-idp-site-verification=719722aef5976292e16235fae82f77766d6cd2c96e83794185db5d98d961894c
- SPFv=spf1 ip4:194.95.186.130 ip4:85.236.55.115 a:mars.drfz.de include:_spf.o130.mx.srv.dfn.de ~all
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