Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sfxmailbox.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 01:59:28 UTC · ↺ Refresh
MX Hostnames
- mail.sfxmailbox.com
MX Priorities
- mail.sfxmailbox.com: 5
A / AAAA Records
- 188.40.59.208 ↩ static.208.59.40.188.clients.your-server.de
- 2a01:4f8:172:35ec::2 (no PTR)
Mail Server IPs
- 88.99.34.27 ↩ static.27.34.99.88.clients.your-server.de
- 195.201.16.70 ↩ static.70.16.201.195.clients.your-server.de
- 2a01:4f8:1c17:459f::2 (no PTR)
- 2a01:4f8:1c0c:484e::2 (no PTR)
SOA Record
Raw SOA
ns.sfxmailbox.com hostmaster.sfxmailbox.com 2026022300 10000 1800 604800 300
Primary NS (mname)
ns.sfxmailbox.com
Admin Email (rname)
hostmaster@sfxmailbox.com
Serial
2026022300
Refresh
10000s
Retry
1800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
b.ns14.net
c.ns14.net
d.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 exists:%{h}.h.%{ir}._spf.sfxmailbox.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=3600; fo=0:1:d:s; aspf=s; adkim=s;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- type=1
- SPFv=spf1 exists:%{h}.h.%{ir}._spf.sfxmailbox.com ?all
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