Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
circlek.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:15:18 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
- 44.232.226.242 ↩ ec2-44-232-226-242.us-west-2.compute.amazonaws.com
Mail Server IPs
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
pdns1.cscdns.net hostmaster.cscdns.net 200403501 10800 86400 604800 3600
Primary NS (mname)
pdns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
200403501
Refresh
10800s
Retry
86400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
pdns2.cscdns.net
pdns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:192.189.253.31 ip4:192.189.253.110 ip4:192.189.253.132 ip4:192.189.253.133 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:*.sharepoint.com include:*.sharepointonline.com include:u20053783.wl034.sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- adobe-idp-site-verification=5698831d7138fa7e40233e41848779a65190ae8f9f877f2210e7d7436722f339
- atlassian-domain-verification=dEk4rdaBmtAKukHYPKq6v4O1INV52JQKKbDvuZoT4OOmsCm0klZ7zkFZQJE9t7by
- SPFv=spf1 mx ip4:192.189.253.31 ip4:192.189.253.110 ip4:192.189.253.132 ip4:192.189.253.133 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:*.sharepoint.com include:*.sharepointonline.com include:u20053783.wl034.sendgrid.net -all
- MS=ms27850301
- apple-domain-verification=EGxSX2tpbgNbWuCt
- knowbe4-site-verification=1f25454cb497117078811a61e3d39c7e
- miro-verification=2569a26ddf8f9265bd8eba8d2fc907e30b3522d1
- tPys3k+tYKIIlg9X9+x+oHrLgrMRPqvXquglEYwcQusgsYBC1Mfa7PENVyNa7iLPghyUxE/GSZ2OVJEDoRibVw==
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