ncsf.org

Valid Email Server
Domain Lookup › ncsf.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ncsf.org
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 12:13:27 UTC · ↺ Refresh

MX Hostnames

  • mx3.zoho.com
  • mx2.zoho.com
  • mx.zoho.com

MX Priorities

  • mx2.zoho.com: 20
  • mx3.zoho.com: 50
  • mx.zoho.com: 10

A / AAAA Records

  • 52.201.185.58 ↩ ec2-52-201-185-58.compute-1.amazonaws.com

Mail Server IPs

  • 136.143.183.44 ↩ mx2.zoho.com
  • 136.143.191.44 ↩ mx2.zoho.com

SOA Record

Raw SOA ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2006010257 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2006010257
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns0.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:52.201.185.58 ip4:52.201.174.186 ip4:52.202.2.242 ip4:91.186.6.125 ip4:50.22.11.18 ip4:75.147.158.13 ip4:173.203.6.150 include:emailsrvr.com include:spf.constantcontact.com include:authsmtp.com include:zoho.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];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • hhs04ju4qkb6aajq9m60uql1gl
  • ici0rdk57dpn1a0fn56s1q0tdo
  • SPFv=spf1 mx a ip4:52.201.185.58 ip4:52.201.174.186 ip4:52.202.2.242 ip4:91.186.6.125 ip4:50.22.11.18 ip4:75.147.158.13 ip4:173.203.6.150 include:emailsrvr.com include:spf.constantcontact.com include:authsmtp.com include:zoho.com ~all
  • google-site-verification=0WSLXNh5UyI-njNpQc7OKoWDlIQO8ze-5hALYmpiE9U
  • bxrjz0f74sw1jvph84972r6rhgcznbq0
  • MS=ms25187779
Full email verification for ncsf.org

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits