Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ucdsb.on.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 06:58:43 UTC · ↺ Refresh
MX Hostnames
- mx-02.eml100yul.ctr.sophos.com
- mx-01.eml100yul.ctr.sophos.com
MX Priorities
- mx-01.eml100yul.ctr.sophos.com: 0
- mx-02.eml100yul.ctr.sophos.com: 20
A / AAAA Records
- 162.159.136.49 (no PTR)
- 162.159.135.49 (no PTR)
Mail Server IPs
- 99.79.0.98 ↩ ec2-99-79-0-98.ca-central-1.compute.amazonaws.com
- 3.97.202.116 ↩ ec2-3-97-202-116.ca-central-1.compute.amazonaws.com
- 15.223.21.29 ↩ ec2-15-223-21-29.ca-central-1.compute.amazonaws.com
SOA Record
Raw SOA
dns1.easydns.com zone.easydns.com 1753193677 43200 10800 1209600 300
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1753193677
Refresh
43200s
Retry
10800s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
dns3.easydns.org
dns1.easydns.com
dns2.easydns.net
dns4.easydns.info
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:207.164.14.2 ip4:207.164.14.22 ip4:206.172.25.170 ip4:199.243.115.10 ip4:207.236.12.0/23 ip6:2603:10b6:b01:120::22 include:spf.protection.outlook.com ip4:207.164.14.43 a:insite-mail.ucdsb.on.ca include:_spf.eml100yul.ctr.sophos.com include:sendgrid.net include:mcsv.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- FnjmmFr6ppPcFc8x00jynzlPJdqmD3S4/iOAAxs84Bg1rgLrv19CZUqXVVQebRvvc6mJaP16PIOW6z5hmxH05g==
- sophos-domain-verification=9d5d9fdfaf3b06caf318cf164bf725d9a7871ff280326d09db367354c1ab219a
- yahoo-verification-key=YqBb4dSXtSQukzCayFVX3nr7CL21PGBQ7aKxFy0Zogc=
- MS=ms42465854
- SPFv=spf1 ip4:207.164.14.2 ip4:207.164.14.22 ip4:206.172.25.170 ip4:199.243.115.10 ip4:207.236.12.0/23 ip6:2603:10b6:b01:120::22 include:spf.protection.outlook.com ip4:207.164.14.43 a:insite-mail.ucdsb.on.ca include:_spf.eml100yul.ctr.sophos.com include:sendgrid.net include:mcsv.net ~all
- sophos-domain-verification=a8b406bda8b47fa0c24360c9a8646b7cf9b97072
- apple-domain-verification=jiiaNImF2vKxO0hQ
- google-site-verification=Pee5zUyQy0Kc-jwT6gOC-IF27HTPK2VuGe9pLVYAr7A
Full email verification for ucdsb.on.ca
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits