netcracker.com

Valid Email Server
Domain Lookup › netcracker.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
netcracker.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 17:01:11 UTC · ↺ Refresh

MX Hostnames

  • umail.netcracker.com
  • efreedom.netcracker.com

MX Priorities

  • umail.netcracker.com: 10
  • efreedom.netcracker.com: 10

A / AAAA Records

  • 198.49.86.144 (no PTR)

Mail Server IPs

  • 91.223.178.22 ↩ umail.netcracker.com
  • 198.49.86.140 ↩ efreedom.netcracker.com

SOA Record

Raw SOA ns-1566.awsdns-03.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1566.awsdns-03.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1007.awsdns-61.net
ns-1172.awsdns-18.org
ns-1566.awsdns-03.co.uk
ns-367.awsdns-45.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:162.255.141.133 ip4:198.49.86.135 ip4:198.49.86.186 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

8 records
  • RwscGDDmxQOo24IfGN5GH8t1BOQ+xgvSZ0vFUp5pnfaZpcxGxnBda5TSkIuv5kwkycL837sqzTYWtKgQg+lXAA==
  • adobe-idp-site-verification=3f87c23837ec167b5e0a14a3c85e67fd1b59342767714e832de1211fcab91ec2
  • cisco-ci-domain-verification=7212b8c02e0908722e4760d3b5441b9615719caeeb9b665f186b43868ad5edfd
  • ciscocidomainverification=46317bf109b2864de166299e47db6e0b422dfc4a955a80111461aa8bc193ea02
  • notion-domain-verification=OmDMExcPKO6iPjNSzteLdDudX0P6DUgiGYBo4iwQdTX
  • SPFv=spf1 ip4:162.255.141.133 ip4:198.49.86.135 ip4:198.49.86.186 mx -all
  • LCAWzOIcCm1X/6jac8kdPQwBrFtsdpSXBChyHQCLxxzwHXN/Qq7cHcB5bwP+jfWhW6H44WSFraHZDuTUx6Tl4Q==
  • MS=9BEE01A7EC2FB87C880991511B2391C8852E2125
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