Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
am-posthof.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:23:11 UTC · ↺ Refresh
MX Hostnames
- mail.am-posthof.de
MX Priorities
- mail.am-posthof.de: 10
A / AAAA Records
- 46.163.77.243 ↩ e-jd.de
- 2a01:488:66:1000:2ea3:4df3::1 ↩ e-jd.de
Mail Server IPs
- 46.163.77.243 ↩ e-jd.de
- 2a01:488:66:1000:2ea3:4df3::1 ↩ e-jd.de
SOA Record
Raw SOA
ns.posthofhost.de saschadoerbaum.gmx.de 2026022202 10800 3600 1209600 10800
Primary NS (mname)
ns.posthofhost.de
Admin Email (rname)
saschadoerbaum@gmx.de
Serial
2026022202
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns.posthofhost.de
pdns02.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:secureserver.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10; ruf=mailto:[email protected]; adkim=s; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 5 chars (valid)
⚠ Public key too short (5 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:secureserver.net -all
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