Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
learninga-z.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 23:19:35 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
- 66.248.224.194 (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1.cambiumlearning.com hostmaster.cambiumlearning.com 2026033101 10800 3600 604800 3600
Primary NS (mname)
ns1.cambiumlearning.com
Admin Email (rname)
hostmaster@cambiumlearning.com
Serial
2026033101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.cambiumlearning.com
ns2.cambiumlearning.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:63.241.231.240/29 ip4:50.238.167.160/27 ip4:66.151.242.3 ip4:67.139.115.194 ip4:98.110.223.0/24 ip4:208.85.53.0/24 include:us._netblocks.mimecast.com include:mktomail.com include:spf.clearslide.com include:support.zendesk.com include:aspmx.pardot.com include:docebosaas.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
19 records- postman-domain-verification=649e74a1c9176e2bbd0f97639724242e6c5ff9b251118b06cf70029fb9a3cdff
- figma-domain-verification=cc673a12d9b2dab006839789dad445bbee1ae562d7e292f894fa63ef5a3d51c4-1729184745
- extensis-domain-verification=4f1c7666-70ad-4a1a-b4ff-6e1149033547
- logmein-verification-code=f299b49c-dd18-49bf-b1cc-afc12137dc90
- cisco-ci-domain-verification=345c2b1b366719ac9fc09fe5bf58f22866287d5f9c3a180c75f7e00120e6ce43
- google-site-verification=N4EnGZhHbgB_940FHtzjSwSsQWO2d5YROrM5ux8EYbY
- pendo-domain-verification=GKIwE_dWHzjLQZHxXgcYdJXYdW8
- extensis-domain-verification=1c239686-0d2e-4896-b3ec-e910cb165546
- google-site-verification=4LrQILnc55sPc0c5m6JklGh6EUdONXhGBEgpvceqY5I
- miro-verification=09fc44d5072cb7782fa858d5536a5a32b35fb135
- MS=ms83879805
- ZOOM_verify_ThX_D5n5THicIrVbqi9Tkw
- adobe-idp-site-verification=ff85075ae1cd2832fbce52b19a8bfca18b661e63dd2cf0a75777e8d0b0ea4bcc
- pardot710503=598a101e98787e9316b9f34654a8984a51fc3dab1c6978bb6b6a5c048a062e34
- adobe-sign-verification=4aae7998ea08e28c9f1ae5b242be19dd
- atlassian-domain-verification=L0bOBwcaCZ7pbCPadtt181ogBzslfAMGJlHJK0Oo8sfjG70P8jLajw/vdPCahnvT
- canva-site-verification=kIMtr_QP0iptp3gugsc2Ng
- SPFv=spf1 ip4:63.241.231.240/29 ip4:50.238.167.160/27 ip4:66.151.242.3 ip4:67.139.115.194 ip4:98.110.223.0/24 ip4:208.85.53.0/24 include:us._netblocks.mimecast.com include:mktomail.com include:spf.clearslide.com include:support.zendesk.com include:aspmx.pardot.com include:docebosaas.com ~all
- knowbe4-site-verification=c1449f7cb1b859e4bcc180b35084ce1b
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