Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aztm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 04:12:44 UTC · ↺ Refresh
MX Hostnames
- mx01.spiersch.com
MX Priorities
- mx01.spiersch.com: 10
A / AAAA Records
- 88.99.11.224 ↩ halo.spiersch.com
- 2a01:4f8:2191:275d::2 ↩ halo.spiersch.com
Mail Server IPs
- 159.69.214.159 ↩ mx01.spiersch.com
- 2a01:4f8:1c1c:a564::1 ↩ mx01.spiersch.com
SOA Record
Raw SOA
ns.spiersch.de hostmaster.spiersch.com 1775088000 10800 3600 604800 120
Primary NS (mname)
ns.spiersch.de
Admin Email (rname)
hostmaster@spiersch.com
Serial
1775088000
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
120s
Nameservers (NS)
ns.spiersch.de
ns2.spiersch.de
ns3.spiersch.de
SPF Record
✓ Strict (-all)
v=spf1 include:spiersch.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ 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 include:spiersch.com -all
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