demidoff.su

Valid Email Server
Domain Lookup › demidoff.su

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
demidoff.su
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 03:22:28 UTC · ↺ Refresh

MX Hostnames

  • mx1.masterhost.ru

MX Priorities

  • mx1.masterhost.ru: 10

A / AAAA Records

  • 90.156.201.83 ↩ fe.shared.masterhost.ru
  • 90.156.201.32 ↩ fe.shared.masterhost.ru
  • 90.156.201.18 ↩ fe.shared.masterhost.ru
  • 90.156.201.118 ↩ fe.shared.masterhost.ru
  • 2a00:15f8:a000:5:1:14:1:7e8f (no PTR)
  • 2a00:15f8:a000:5:1:13:1:7e8f (no PTR)
  • 2a00:15f8:a000:5:1:12:1:7e8f (no PTR)
  • 2a00:15f8:a000:5:1:11:1:7e8f (no PTR)

Mail Server IPs

  • 90.156.132.120 ↩ mx1.masterhost.ru

SOA Record

Raw SOA ns1.masterhost.ru hostmaster.masterhost.ru 1752575839 28800 7200 1209600 600
Primary NS (mname)
ns1.masterhost.ru
Admin Email (rname)
hostmaster@masterhost.ru
Serial
1752575839
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns.masterhost.ru
ns1.masterhost.ru
ns2.masterhost.ru

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

No TXT records found.

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