onlinetutorial.ca

Valid Email Server
Domain Lookup › onlinetutorial.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
onlinetutorial.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 02:24:39 UTC · ↺ Refresh

MX Hostnames

  • _dc-mx.51fc66c357a6.onlinetutorial.ca

MX Priorities

  • _dc-mx.51fc66c357a6.onlinetutorial.ca: 0

A / AAAA Records

  • 104.21.79.27 (no PTR)
  • 172.67.140.235 (no PTR)
  • 2606:4700:3030::ac43:8ceb (no PTR)
  • 2606:4700:3032::6815:4f1b (no PTR)

Mail Server IPs

  • 68.65.122.214 ↩ host39-2.registrar-servers.com

SOA Record

Raw SOA anita.ns.cloudflare.com dns.cloudflare.com 2397913941 10000 2400 604800 1800
Primary NS (mname)
anita.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397913941
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

yew.ns.cloudflare.com
anita.ns.cloudflare.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

No TXT records found.

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