Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
premierwd.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 22:26:12 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
- 54.201.21.172 ↩ ec2-54-201-21-172.us-west-2.compute.amazonaws.com
- 52.35.208.9 ↩ ec2-52-35-208-9.us-west-2.compute.amazonaws.com
- 44.252.201.15 ↩ ec2-44-252-201-15.us-west-2.compute.amazonaws.com
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns-1320.awsdns-37.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1320.awsdns-37.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1007.awsdns-61.net
ns-1320.awsdns-37.org
ns-1677.awsdns-17.co.uk
ns-6.awsdns-00.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a ip4:54.188.16.190 ip4:35.167.6.9 include:spf.protection.outlook.com include:spf.mandrillapp.com
📊 DNS lookups: 3/10
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a ip4:54.188.16.190 ip4:35.167.6.9 include:spf.protection.outlook.com include:spf.mandrillapp.com
- include:servers.mcsv.net include:us._netblocks.mimecast.com include:mail.zendesk.com include:amazonses.com include:mail.apgteam.com ~all
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