Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bestpractice.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 18:42:09 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-1.mimecast.com: 10
- eu-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 204.74.99.100 ↩ crs.ultradns.net
Mail Server IPs
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
udns1.cscdns.net hostmaster.cscdns.net 2019092002 86400 86400 86400 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2019092002
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
udns1.cscdns.net
udns2.cscdns.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:149.72.215.222 ip4:168.245.63.106 ip4:168.245.68.26 include:_netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- access-domain-verification=16287f3a90ad5b8dd9fc1af626ba3c700c42dc13b165847f12aae29ba5468cf1
- atlassian-domain-verification=4XN67MZ79J3rjjrj/4IAdom3wIgiwAGRnkpetJmmiA3izkBYcVwCabav3uEkQcwf
- SPFv=spf1 include:spf.protection.outlook.com ip4:149.72.215.222 ip4:168.245.63.106 ip4:168.245.68.26 include:_netblocks.mimecast.com -all
- MS=ms38404407
- 83.138.188.254
- ms17ieshqb5o9tug0u4piierkc
- uj33edaviot1rvb98khovl7p1j
- _12edrm8eicsqss82nkltws9lxnv9qw6
- gpnsg0m6q7n4fbwnvkl1ljdfv17nyf5t
- 0ed1fe018a7772d13e1f8d41c689cded82174aa6aa
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