Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
college-optometrists.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 08:03:08 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
- 52.151.127.58 (no PTR)
Mail Server IPs
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
dns0.star.co.uk abuse.star.net.uk 2021120202 86400 7200 2419200 86400
Primary NS (mname)
dns0.star.co.uk
Admin Email (rname)
abuse@star.net.uk
Serial
2021120202
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
dns1.star.co.uk
dns0.star.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:eu._netblocks.mimecast.com include:mailgun.org include:authsmtp.com include:eventsairmail.com include:servers.mcsv.net include:marketing.dynamics.com include:sendgrid.net include:_spf.intacct.com ip4:167.89.43.190 ip4:159.183.181.113 ip4:149.72.116.19 ip4:149.72.117.225 ip4:149.72.119.192 ip4:149.72.119.197 ip4:149.72.119.199 ip4:149.72.119.210 ip4:149.72.147.106 ip4:149.72.148.50 ip4:149.72.155.21 ip4:149.72.160.121 ip4:149.72.166.148 ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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- google-site-verification=R1iUEGz00LutYD9NJstdizuwbAyl-NAXwu8Ok-U5hAw
- intacct-esk=37B135D96F2EF923E0633986410A0B8F
- 5k4k44c0d43jkn5s5h4h3rb0iu
- n+TO18GovHnaw2C66Mfy1aZnrkMc6lsmcRWEXi2EKn2hDEEY+o6vk5vIvL6zH2u4hquD8fAoASKJvTa2hmT6dw==
- W9We9bvs
- 0ed1fe018a4e671b65a7ee43f2944526dce3682780
- d365mktkey=fGMXemrxn7pAYQs4kJXqhVxVqPIPuisvw2Z5lMXFxwox
- SPFv=spf1 mx include:eu._netblocks.mimecast.com include:mailgun.org include:authsmtp.com include:eventsairmail.com include:servers.mcsv.net include:marketing.dynamics.com include:sendgrid.net include:_spf.intacct.com ip4:167.89.43.190 ip4:159.183.181.113 ip4:149.72.116.19 ip4:149.72.117.225 ip4:149.72.119.192 ip4:149.72.119.197 ip4:149.72.119.199 ip4:149.72.119.210 ip4:149.72.147.106 ip4:149.72.148.50 ip4:149.72.155.21 ip4:149.72.160.121 ip4:149.72.166.148 ~all
- v9813cq3ag88tivccund9f3ude
- MS=ms27384784
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