masterhost.ru

Valid Email Server
Domain Lookup › masterhost.ru

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
masterhost.ru
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 16:58:43 UTC · ↺ Refresh

MX Hostnames

  • mx2.mail.corp.masterhost.ru
  • mx1.mail.corp.masterhost.ru

MX Priorities

  • mx2.mail.corp.masterhost.ru: 10
  • mx1.mail.corp.masterhost.ru: 10

A / AAAA Records

  • 90.156.132.125 ↩ masterhost.ru
  • 2a00:15f8:a000:4:1:5:2:80 ↩ masterhost.ru
  • 2a00:15f8:a000:4:1:5:1:80 ↩ masterhost.ru

Mail Server IPs

  • 90.156.136.108 ↩ mx2.mail.corp.masterhost.ru
  • 90.156.136.107 ↩ mx1.mail.corp.masterhost.ru

SOA Record

Raw SOA ns5.masterhost.ru hostmaster.masterhost.ru 1 28800 7200 1209600 600
Primary NS (mname)
ns5.masterhost.ru
Admin Email (rname)
hostmaster@masterhost.ru
Serial
1
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns4.masterhost.ru
ns3.masterhost.ru
ns5.masterhost.ru

SPF Record

✓ Strict (-all)
v=spf1 include:_snetblocks100.masterhost.ru include:_snetblocks101.masterhost.ru -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

2 records
  • atlassian-domain-verification=7dShlIZXlsVxZHiaUDETMuAg0LCshEX9VAqGFeCyrlAgkLYZeZfN0WOv/fJyTu75
  • SPFv=spf1 include:_snetblocks100.masterhost.ru include:_snetblocks101.masterhost.ru -all
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