northkey.org

Valid Email Server
Domain Lookup › northkey.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
northkey.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 12:25:46 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 20
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 35.172.40.58 ↩ ec2-35-172-40-58.compute-1.amazonaws.com

Mail Server IPs

  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns-736.awsdns-28.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-736.awsdns-28.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-736.awsdns-28.net
ns-1102.awsdns-09.org
ns-1683.awsdns-18.co.uk
ns-400.awsdns-50.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:98.102.194.99 ip4:24.142.174.130 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ 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 (p=) missing in DKIM record for selector selector1.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

10 records
  • ZA=Su0aasV4UmDIwMKY7Nk3ODACN82HkuBaU6otbddW0pw=
  • ihhnf96opvf7bkms3jcofgoo12
  • mRsUvk8N
  • p8mput9sul2qj2n57j9db839qn
  • uv3gcpcu561nr61as44a4bh8h5
  • SPFv=spf1 ip4:98.102.194.99 ip4:24.142.174.130 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all
  • 7j6r4gd4nt1v73chgb4kofv7ah
  • MS=76F25731150C8A3DE7CD00BCFC7E15B042B48620
  • MS=ms21126930
  • ZA=5U7OnspGcbZugmc/LFSuNw==
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