insiderpages.com

Valid Email Server
Domain Lookup › insiderpages.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
insiderpages.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 03:33:48 UTC · ↺ Refresh

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MX Hostnames

  • usb-smtp-inbound-1.mimecast.com
  • usb-smtp-inbound-2.mimecast.com

MX Priorities

  • usb-smtp-inbound-1.mimecast.com: 10
  • usb-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 99.84.160.21 ↩ server-99-84-160-21.jfk50.r.cloudfront.net
  • 99.84.160.92 ↩ server-99-84-160-92.jfk50.r.cloudfront.net
  • 99.84.160.32 ↩ server-99-84-160-32.jfk50.r.cloudfront.net
  • 99.84.160.29 ↩ server-99-84-160-29.jfk50.r.cloudfront.net

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-289.awsdns-36.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-289.awsdns-36.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1711.awsdns-21.co.uk
ns-289.awsdns-36.com
ns-902.awsdns-48.net
ns-1107.awsdns-10.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com a mx ip4:63.147.22.10 ip4:63.119.10.10 ip4:63.119.10.205 ip4:63.147.22.15 ip4:66.231.80.226 ip4:38.112.2.34 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

6 records
  • google-site-verification=tzlYRn36RI6fDP35jxViQuoiMdp5eaVizxvz9AaYMzI
  • SPFv=spf1 include:usb._netblocks.mimecast.com a mx ip4:63.147.22.10 ip4:63.119.10.10 ip4:63.119.10.205 ip4:63.147.22.15 ip4:66.231.80.226 ip4:38.112.2.34 ~all
  • MS=ms57520766
  • MS=ms83923280
  • RtFtqevvfF8XXjBHkvlxsVLSNu8v8sJ/FTDgQz/zY6LyzWYH+x9oNbi/ESGM3RQDMW6U5H27hUhFovvLVWcPkg==
  • google-site-verification=N-qm3i2JHuW8i1FnHbmWTZfRkZ3Eq5I64bNVvwpqpYE
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