Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sickkids.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:14:09 UTC · ↺ Refresh
MX Hostnames
- sickkids-ca.mail.protection.outlook.com
MX Priorities
- sickkids-ca.mail.protection.outlook.com: 10
A / AAAA Records
- 217.114.94.2 (no PTR)
- 2a00:1c50:94::2 (no PTR)
Mail Server IPs
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.sickkids.ca postmaster.sickkids.ca 2003041800 10800 3600 2419200 900
Primary NS (mname)
ns3.sickkids.ca
Admin Email (rname)
postmaster@sickkids.ca
Serial
2003041800
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
bleepbloop.sickkids.ca
ns3.sickkids.ca
ps1-555.ttt.sickkids.ca
ns4.sickkids.ca
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:142.20.16.4 ip4:20.104.87.214 ip4:192.75.158.250 ip4:192.75.158.251 ip4:192.75.158.252 ip4:20.151.66.242 ip4:20.151.64.254 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
13 records- EPTQLGjNE9FfTUgNKqExGRCFqim8UpELtSeXwwKPj2tt0h+MxVraVtZ6uCpiK/98aGMHFiUS9N6mLAZlYEEgfQ==
- MS=ms91845471
- SPFv=spf1 include:spf.protection.outlook.com ip4:142.20.16.4 ip4:20.104.87.214 ip4:192.75.158.250 ip4:192.75.158.251 ip4:192.75.158.252 ip4:20.151.66.242 ip4:20.151.64.254 -all
- dropbox-domain-verification=tz3oo1mve3cf
- apple-domain-verification=OgSL960RhHxc2huq
- google-site-verification=5JW9xfoow5sEbdl8jytVEpxb_AFVWRrJT2NAONtxP18
- google-site-verification=l7MbiKNZ24QtWiUKnPcm8Owe72ycnHL7U0aTiaRGu28
- appspace-domain-verification=bdc5f5017e7a7d1d13d6724129c2af961fe50c2f92126b42ba0f78bebd4bc0f1
- ms-domain-verification=0159e6c3-14ab-42a0-ba32-3e7d7bd957d6
- shopify-verification-code=h5o9ArOiDKOKA14AVNJPXBYZLw972y
- atlassian-domain-verification=5lzc4ypLl9e0xd/7ario6vHooPKKYcdFujgccPXn7AQWaUAnKeBEZaQalncAtfHj
- brevo-code:dca5024d75e1559f85f9292ca5eee786
- _pgdr2xysb1mz5bvysgdiuvjz7czk7d6
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