Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bst-mc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 05:30:40 UTC · ↺ Refresh
MX Hostnames
- mail.bst-mc.com
- mx.yandex.ru
MX Priorities
- mx.yandex.ru: 10
- mail.bst-mc.com: 20
A / AAAA Records
- 188.127.230.7 ↩ shared-23.smartape.ru
Mail Server IPs
- 77.88.21.249 ↩ mxfront.stable.qloud-b.yandex.net
- 2a02:6b8::311 ↩ mxfront.stable.qloud-b.yandex.net
- 77.88.21.37 ↩ mail-yandex-ru-production-external.stable.qloud-b.yandex.net
- 2a02:6b8::a4 ↩ mail-yandex-ru-production-external.stable.qloud-b.yandex.net
SOA Record
Raw SOA
dns1.yandex.net dns-hosting.yandex.ru 23 900 90 86400 900
Primary NS (mname)
dns1.yandex.net
Admin Email (rname)
dns-hosting@yandex.ru
Serial
23
Refresh
900s
Retry
90s
Expire
86400s
Minimum TTL
900s
Nameservers (NS)
dns2.yandex.net
dns1.yandex.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.unione.io redirect=_spf.yandex.net
📊 DNS lookups: 2/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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
2 records- SPFv=spf1 include:spf.unione.io redirect=_spf.yandex.net
- unione-validate-hash=99cc19730034896e022585c7e788fdb8
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