Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
center-apo-steinheim.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 21:43:48 UTC · ↺ Refresh
MX Hostnames
- mail.center-apo-steinheim.de
MX Priorities
- mail.center-apo-steinheim.de: 10
A / AAAA Records
- 5.44.101.123 ↩ nph03.nonprint.net
Mail Server IPs
- 5.44.101.123 ↩ nph03.nonprint.net
SOA Record
Raw SOA
cns1.alfahosting.info hostmaster.alfahosting.de 2025111408 28800 7200 604800 86400
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2025111408
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
cns3.alfahosting.info
cns1.alfahosting.info
cns2.alfahosting.info
SPF Record
✓ Strict (-all)
v=spf1 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; adkim=r; aspf=r; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._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
1 record- SPFv=spf1 +a +mx -all
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