Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marketing.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:36:02 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 20
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 35.153.227.142 ↩ ec2-35-153-227-142.compute-1.amazonaws.com
- 54.227.232.213 ↩ ec2-54-227-232-213.compute-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-423.awsdns-52.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-423.awsdns-52.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1703.awsdns-20.co.uk
ns-423.awsdns-52.com
ns-643.awsdns-16.net
ns-1192.awsdns-21.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:149.72.89.204 ip4:167.89.10.192 ip4:98.185.127.194 ip4:208.91.124.9 ip4:104.219.218.130 include:amazonses.com include:emailsrvr.com include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:mbounces.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected],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],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIUwwDhH3v+VoYAwUWps7Zc3Ow862bHAxQcPDYmhQQfjDG4/Y0SqJUH5xCHjvhwpNniWuB67kjfbG2ccFGkcG7AzvAp+03idyDVNN3a2UwL3q7yqM28KnAL889mWNMePl6jE3cyzB/+80BRDlfUGF1MT8pz0xqaGnWVPhodfOsCwIDAQAB
- SPFv=spf1 ip4:149.72.89.204 ip4:167.89.10.192 ip4:98.185.127.194 ip4:208.91.124.9 ip4:104.219.218.130 include:amazonses.com include:emailsrvr.com include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:mbounces.com -all
- 0ed1fe018a89aad43088a34ae999ffc74e00a8ea87
- dmohg8joec33b468t0ph9tllu2
- f661klvl2b53kd9g461r0hj5dc
- knowbe4-site-verification=1ebaed23ce3deeb20d24c5c172ab6811
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