Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
readerlink.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:56:48 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 0
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 162.159.135.42 (no PTR)
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
ns03.domaincontrol.com dns.jomax.net 2026011303 28800 7200 604800 600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011303
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns03.domaincontrol.com
ns04.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.200.32.193 ip4:50.200.32.129 ip4:199.184.255.112 ip4:199.184.255.110 ip4:50.200.32.201 ip4:159.183.69.59 include:spf.protection.outlook.com include:spf.happyfox.com include:sendgrid.net include:usb._netblocks.mimecast.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
7 records- 0ed1fe018abac2ba05831646fd9cc410aa2f1881f6
- SPFv=spf1 ip4:50.200.32.193 ip4:50.200.32.129 ip4:199.184.255.112 ip4:199.184.255.110 ip4:50.200.32.201 ip4:159.183.69.59 include:spf.protection.outlook.com include:spf.happyfox.com include:sendgrid.net include:usb._netblocks.mimecast.com -all
- MS=ms13056038
- 35134abb67d659c6b8ace890a3a26982e29d2706f5d8073d8dd999acdd01e745
- fyWs38bE6+sbSlx1IDCedrDaysm9Z8yAUxTXIIUu/3O8wyUsP6U1xx4HScFr10Au9UNs0ky9hIJLYw4uy5PrSA==
- apple-domain-verification=7SuG7jlbDevI3pKj
- google-site-verification=nH3CSRdY9ANhh4qUXowch0AZ6jFZEyFENdttx-jzYdI
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