Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usffcl.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:04:35 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 52.225.219.253 (no PTR)
- 20.49.97.26 (no PTR)
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2025090200 28800 7200 604800 600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025090200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns51.domaincontrol.com
ns52.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com ip4:34.199.167.230 ip4:34.198.193.174 ip4:34.202.174.188 ip4:52.203.5.138 ip4:104.8.101.169 ip4:12.37.176.18 ip4:23.127.132.225 ip4:50.234.199.82 ip4:96.70.12.33 ip4:147.189.35.40 ip4:159.183.126.66 ip4:172.210.233.67 ip4:213.246.108.75 ip4:203.62.212.49 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._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
5 records- SPFv=spf1 include:usb._netblocks.mimecast.com ip4:34.199.167.230 ip4:34.198.193.174 ip4:34.202.174.188 ip4:52.203.5.138 ip4:104.8.101.169 ip4:12.37.176.18 ip4:23.127.132.225 ip4:50.234.199.82 ip4:96.70.12.33 ip4:147.189.35.40 ip4:159.183.126.66 ip4:172.210.233.67 ip4:213.246.108.75 ip4:203.62.212.49 include:spf.protection.outlook.com -all
- o35eceuaila4pgg9t6rh696et2
- 0ed1fe018a3881077df7544d47adbaa9641151dab8
- ia7bdq1c266eeed1eshedts9q0
- f1vea5gbt55s9c4hrdadca1gee
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