Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lrdist.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 04:43:27 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
- prelude.lrdist.com
MX Priorities
- prelude.lrdist.com: 10
- usb-smtp-inbound-2.mimecast.com: 6
- usb-smtp-inbound-1.mimecast.com: 6
A / AAAA Records
- 198.185.159.144 (no PTR)
- 198.185.159.145 (no PTR)
- 198.49.23.145 (no PTR)
- 198.49.23.144 (no PTR)
Mail Server IPs
- 142.215.187.50 ↩ lrdist.net
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns79.worldnic.com namehost.worldnic.com 125121812 10800 3600 604800 3600
Primary NS (mname)
ns79.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121812
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns79.worldnic.com
ns80.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:142.215.187.50 ip4:142.215.186.210 ip4:172.254.36.82 ip4:38.96.171.66 ip4:23.101.161.142 ip4:23.101.163.164 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:servers.mcsv.net include:mail.zendesk.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; 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]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- klaviyo-site-verification=VqLjHD
- duo_sso_verification=xlvNubu6xRhuMpaeIHBkxT4aX4OFJbrlIvgLFPmJwQh2RUNVmSR9dRz0IGJTFn2I
- apple-domain-verification=LFhjfzfyqnSk835W
- SPFv=spf1 ip4:142.215.187.50 ip4:142.215.186.210 ip4:172.254.36.82 ip4:38.96.171.66 ip4:23.101.161.142 ip4:23.101.163.164 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:servers.mcsv.net include:mail.zendesk.com -all
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