Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clarkhill.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:33:32 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 23.100.43.208 (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns-566.awsdns-06.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-566.awsdns-06.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1450.awsdns-53.org
ns-2041.awsdns-63.co.uk
ns-566.awsdns-06.net
ns-102.awsdns-12.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.clarkhill.com include:spf2.clarkhill.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- ecostruxure-it-verification=e98b07f4-b449-4b1a-ada6-cf39704239ca
- google-site-verification=ArjQweXrDaq-5-olj4whDVbCF1MI13ezXVaNeVbG3B8
- skxwzyvhblq6wnh0dz6fvgfh7b04ngvb
- SPFv=spf1 include:spf1.clarkhill.com include:spf2.clarkhill.com include:spf.protection.outlook.com -all
- 1dbkWIjK7eUhTPn3pQIVWSLOgjvrhqYeBjJ23QmlHMSFE0HuZ6eG3OWY7nFhaPmVUz+3DoFsNbnM4S2KvWUOsA==
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