Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
liasc.net
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 07:55:48 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 16.182.104.77 ↩ s3-website-us-east-1.amazonaws.com
- 16.182.40.37 ↩ s3-website-us-east-1.amazonaws.com
- 54.231.201.253 ↩ s3-website-us-east-1.amazonaws.com
- 16.15.223.63 (no PTR)
- 54.231.138.5 ↩ s3-website-us-east-1.amazonaws.com
- 54.231.133.93 ↩ s3-website-us-east-1.amazonaws.com
- 16.15.185.192 (no PTR)
- 52.216.218.109 ↩ s3-website-us-east-1.amazonaws.com
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-524.awsdns-01.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-524.awsdns-01.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-524.awsdns-01.net
ns-1348.awsdns-40.org
ns-1767.awsdns-28.co.uk
ns-450.awsdns-56.com
SPF Record
✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; pct=50; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected], mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:usb._netblocks.mimecast.com include:_spf.google.com -all
- 0ed1fe018ae7a8bcdce4584576a7042cefa2a81709
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