Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
silverstone.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 12:39:31 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-2.mimecast.com
- eu-smtp-inbound-1.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 172.66.166.231 (no PTR)
- 104.20.25.74 (no PTR)
- 2606:4700:10::6814:194a (no PTR)
- 2606:4700:10::ac42:a6e7 (no PTR)
Mail Server IPs
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ishaan.ns.cloudflare.com dns.cloudflare.com 2399164481 10000 2400 604800 1800
Primary NS (mname)
ishaan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399164481
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ishaan.ns.cloudflare.com
keira.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 IP4:213.219.53.0/26 include:eu._netblocks.mimecast.com include:protection.outlook.com include:sendgrid.net include:mail.zendesk.com exists:%{i}._spf.mta.salesforce.com include:26290699.spf04.hubspotemail.net include:amazonses.com include:spf.apex-timing.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- apple-domain-verification=Ng1E0x2MgrXgWDd9
- google-site-verification=W2A-ROwIw9NyqaXT4kDsGhL1dm2_lMUYG2o6sbF_Lxo
- google-site-verification=eLxLK-Mf7ge0i3goMe_hUXmfY6QX00IMjEa5YNu_ZjE
- google-site-verification=wRcz3oXOx60EBun7tkiE0kbLSibCTli50zoCoVyyQqg
- klaviyo-site-verification=QUcbEe
- r30sbcentcs9mhou9jobp35dkv
- SPFv=spf1 IP4:213.219.53.0/26 include:eu._netblocks.mimecast.com include:protection.outlook.com include:sendgrid.net include:mail.zendesk.com exists:%{i}._spf.mta.salesforce.com include:26290699.spf04.hubspotemail.net include:amazonses.com include:spf.apex-timing.com -all
- 1nuls8963euug2tacm2k50550c
- 9zFmoL2AMpPI9ORzHMvwJqFewvSl4Qzc52
- KC1C6NnjLMNBF7rnFgeuDUh0LgwA6pWgqPMTAQvAM2nt1nZf4rqE
- MS=ms29977124
- ZA=Nm4HX+Ub9jGwYmLf5MciUbfc0fPpBZR8txpXULPj+cc=
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