Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
jblearning.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 11:01:31 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.18.217.42 (no PTR)
- 104.18.216.42 (no PTR)
- 2606:4700::6812:d92a (no PTR)
- 2606:4700::6812:d82a (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
cass.ns.cloudflare.com dns.cloudflare.com 2402558158 10000 2400 604800 1800
Primary NS (mname)
cass.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402558158
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
henry.ns.cloudflare.com
cass.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.c0.spf-protect.agari.com ip4:52.6.112.187 include:navigacloud.com include:2491413.spf01.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; 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
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- ee44c63e7f0c419c9bcb58f515fe5aa2
- google-site-verification=pGjZKClSpG8J-TgejuXvScybQ7Oy18qSJcoDrylW44g
- lTF5ZpUD4WqQl5zvKuDNuy8m9mhG5TNAuEhQDpvbV9y5ADpzzrh9oiL81oM7u75B0OukxaW/yIGhnYrCAsHnxg==
- miro-verification=2628240b285f49a82093bfe9062e6bfadb4ff90d
- pendo-domain-verification=90k1w3Mt6312OR5Mlnys-yMBFbQ
- spf2.0/pra include:_otherspf2.jblearning.com include:_otherspf1.jblearning.com include:ne16.com include:_spf.qualtrics.com include:us._netblocks.mimecast.com include:mailsenders.netsuite.com include:_dnbips.jblearning.com ~all
- SPFv=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.c0.spf-protect.agari.com ip4:52.6.112.187 include:navigacloud.com include:2491413.spf01.hubspotemail.net -all
- MS=ms89567228
- adobe-idp-site-verification=687ee97efcc04efe0b85ab1a93211aa75fe76913677e96ca69274a947311c9fc
- anthropic-domain-verification-f41t9p=CuLbC1BBUbnAITfJbMnOPBn8P
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