Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knowbit.tech
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 05:25:01 UTC · ↺ Refresh
MX Hostnames
- mx.yandex.net
MX Priorities
- mx.yandex.net: 0
A / AAAA Records
- 212.1.210.107 ↩ cpl30.main-hosting.eu
Mail Server IPs
- 77.88.21.249 ↩ mxfront.stable.qloud-b.yandex.net
- 2a02:6b8::311 ↩ mxfront.stable.qloud-b.yandex.net
SOA Record
Raw SOA
cdns1.main-hosting.eu cpanel.main-hosting.eu 2026032401 3600 7200 1209600 86400
Primary NS (mname)
cdns1.main-hosting.eu
Admin Email (rname)
cpanel@main-hosting.eu
Serial
2026032401
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
cdns2.main-hosting.eu
cdns1.main-hosting.eu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:212.1.210.101 include:relay.mailchannels.net include:_spf.yandex.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- DKIMv=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDUDdG6ehQ8oZCFEHcGvtKtqNwJcjju76+qBzWlArT9mlfnqJoY3XQcXLYbMr6y7KIF66iUG8AK3/WI1A8i7S70NGwIVQTz1ow7RE0vENriMgxlu2G21g7db3FSaN4si3pQgNWlbfdpFxGXQdYy65pZsjvUrpt4T941lQcR/Mw+owIDAQAB
- SPFv=spf1 ip4:212.1.210.101 include:relay.mailchannels.net include:_spf.yandex.net ~all
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