Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atlantic.ca
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 17:49:27 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 190.92.157.77 ↩ server.edkdesign.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
dns3.atlantic.ca hostmaster.atlantic.ca 2017032478 3600 900 1209600 3600
Primary NS (mname)
dns3.atlantic.ca
Admin Email (rname)
hostmaster@atlantic.ca
Serial
2017032478
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns4.atlantic.ca
dns3.atlantic.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:190.92.157.77 ip4:206.152.14.54 ip4:135.84.79.54 ip4:23.21.109.0/24 ip4:147.160.167.0/26 include:outbound.mailhop.org include:us._netblocks.mimecast.com include:mail.zendesk.com include:zcsend.net include:_spf.salesforce.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- docusign=dc522538-1e31-4932-8012-7e273a778bf8
- sophos-domain-verification=bba2f075a4e4f55c081474a26545110805c9688a62daa726a47fc06dec7f99dd
- _1c3h4u9cuhg91ors2qjvhdfgce7k9qk
- duo_sso_verification=brVfand1EUyiNvbz6jISx3SsDr8wa9bpKn1hcW8AS6zcYbXELxAHoQPfwdcWZEO6
- dropbox-domain-verification=rpxw7cpkn1ru
- SPFv=spf1 ip4:190.92.157.77 ip4:206.152.14.54 ip4:135.84.79.54 ip4:23.21.109.0/24 ip4:147.160.167.0/26 include:outbound.mailhop.org include:us._netblocks.mimecast.com include:mail.zendesk.com include:zcsend.net include:_spf.salesforce.com ~all
- _3dl6uuqifmhyd7qkt0f5xuwqgr5slnz
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