Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bos.ru
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 05:35:51 UTC · ↺ Refresh
MX Hostnames
- freemail.centre.ru
MX Priorities
- freemail.centre.ru: 10
A / AAAA Records
- 195.16.42.36 ↩ bos.ru.freehosting.centre.ru
Mail Server IPs
- 212.46.196.131 ↩ freemail.centre.ru
SOA Record
Raw SOA
ns1.freehosting.centre.ru support.centre.ru 2025102933 86400 7200 2592000 86400
Primary NS (mname)
ns1.freehosting.centre.ru
Admin Email (rname)
support@centre.ru
Serial
2025102933
Refresh
86400s
Retry
7200s
Expire
2592000s
Minimum TTL
86400s
Nameservers (NS)
ns1.freehosting.centre.ru
ns2.freehosting.centre.ru
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.freehosting.centre.ru -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 include:_spf.freehosting.centre.ru -all
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