Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
checkerflag.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 16:53:18 UTC · ↺ Refresh
MX Hostnames
- checkerflag-ca.mail.protection.outlook.com
MX Priorities
- checkerflag-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 66.70.255.209 ↩ ip209.ip-66-70-255.net
Mail Server IPs
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.domainsatcost.ca noc.domainsatcost.ca 2026031901 10800 3600 604800 3600
Primary NS (mname)
dns.domainsatcost.ca
Admin Email (rname)
noc@domainsatcost.ca
Serial
2026031901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.domainsatcost.ca
dns.domainsatcost.ca
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:66.70.255.209 include:spf.zoho.com include:transmail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
7 records- SPFv=spf1 mx ip4:66.70.255.209 include:spf.zoho.com include:transmail.net include:spf.protection.outlook.com -all
- vqnd5nbpr88186tai8697tn326
- infor-cloudsuite-domain-verification=3Z34VG4M5R59G5QXQSAVG5DNJ6522GAULXBDHE7MGVXW8NDQWEVLZPEJSJ7BFXRG
- knowbe4-site-verification=5a756ceaf7de170738916a2c69d6bff6
- uesgrovk18n7run0elt8445tqh
- MS=ms46357310
- sj08et3g7lhdpjnhuiggnu7st9
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