Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
psl-hamburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 14:08:41 UTC · ↺ Refresh
MX Hostnames
- mx04.secure-mailgate.com
- mx03.secure-mailgate.com
MX Priorities
- mx04.secure-mailgate.com: 10
- mx03.secure-mailgate.com: 10
A / AAAA Records
- 81.88.34.105 ↩ host347.alfahosting-server.de
Mail Server IPs
- 46.243.88.175 ↩ node03.secure-mailgate.com
- 46.243.88.177 ↩ node04.secure-mailgate.com
- 46.243.88.174 ↩ node03.secure-mailgate.com
- 46.243.88.176 ↩ node04.secure-mailgate.com
SOA Record
Raw SOA
cns1.alfahosting.info hostmaster.alfahosting.de 2026040301 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2026040301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
cns3.alfahosting.info
cns1.alfahosting.info
cns2.alfahosting.info
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:109.237.138.13 include:secure-mailgate.com include:spf.sendinblue.com include:mailgun.org -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- Sendinblue-code=020d4e44dc4bb67b7558813c0cb7cc76
- SPFv=spf1 a mx ip4:109.237.138.13 include:secure-mailgate.com include:spf.sendinblue.com include:mailgun.org -all
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