0xff.st

Valid Email Server

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
0xff.st
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-04 03:12:52 UTC · ↺ Refresh

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MX Hostnames

  • mail.0xff.st

MX Priorities

  • mail.0xff.st: 10

A / AAAA Records

  • 5.75.180.242 ↩ mail.malerba.space

Mail Server IPs

  • mort-ng.luly.space. (no PTR)
  • 5.75.180.242 ↩ mail.malerba.space

SOA Record

Raw SOA ns1.gandi.net hostmaster.gandi.net 1780531200 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1780531200
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns-15-b.gandi.net
ns-5-c.gandi.net
ns-103-a.gandi.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 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

1 record
  • SPFv=spf1 mx ~all
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