Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
circaworks.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:39:35 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
ns2-09.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:3039100.spf08.hubspotemail.net ip4:8.40.7.20 ip4:139.138.57.228/32 ip4:68.232.145.169/32 mx include:_spf.salesforce.com include:aspmx.pardot.com include:_spf.intacct.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; sp=quarantine; fo=0:1:d:s; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-gws-recovery-domain-verification=45897282
- google-site-verification=2o70tkdvZ6X2k2kmezXU-nMr6uIeIvmLK-rYRVYG8k8
- bw=z0WmNi4dP/ub9ycY6GroksItV8CgN5fxr1UxLQwzzcQL
- intacct-esk=BC0B1FE654CCEC91E0539A220D0AC16E
- SPFv=spf1 include:us._netblocks.mimecast.com include:3039100.spf08.hubspotemail.net ip4:8.40.7.20 ip4:139.138.57.228/32 ip4:68.232.145.169/32 mx include:_spf.salesforce.com include:aspmx.pardot.com include:_spf.intacct.com include:spf.protection.outlook.com ~all
- brevo-code:2408c982c63ffc80996fee233d62a542
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