Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
harvard.ca
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 19:52:47 UTC · ↺ Refresh
MX Hostnames
- d122408a.ess.barracudanetworks.com
- d122408b.ess.barracudanetworks.com
MX Priorities
- d122408b.ess.barracudanetworks.com: 20
- d122408a.ess.barracudanetworks.com: 10
A / AAAA Records
- 142.165.148.214 ↩ 142-165-148-214.regn06-ch.sasktelhosting.com
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010185 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010185
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns24.digicertdns.net
ns25.digicertdns.net
ns21.digicertdns.com
ns23.digicertdns.net
ns22.digicertdns.com
ns20.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:216.146.32.128/25 +ip4:206.163.234.21 +include:spf.ess.barracudanetworks.com +include:spf.mandrillapp.com +include:spf.protection.outlook.com +include:spf.mrisoftware-email.com +include:spf.officernd.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
9 records- autodesk-domain-verification=Qefb10FJP790lb9KoWBJ
- nintex.6138d9a17acad90069b3c1c9
- 90cDLb4YwQZ9EY4PelLWCAMb2D8IdBRgCy56OMCURsk8H/ID0JnAuUTodhRr7mD0QBEBDBU8GtnhnFenWXAQug==
- SPFv=spf1 +ip4:216.146.32.128/25 +ip4:206.163.234.21 +include:spf.ess.barracudanetworks.com +include:spf.mandrillapp.com +include:spf.protection.outlook.com +include:spf.mrisoftware-email.com +include:spf.officernd.com -all
- adobe-idp-site-verification=0539b768accc3ca557cf69ad276b549d36b6a0161b5183d6b2ca3ccb193b4c00
- google-site-verification=8qLQI9OIxm0W3wZrsXj2wfzXnL1z7-YiUQl2mbY7vo8
- apple-domain-verification=0V5LRqnjs2GCw1Ns
- BPL=8801648
- MS=ms96490610
Full email verification for harvard.ca
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits