Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bigbrothersbigsisters.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:18:08 UTC · ↺ Refresh
MX Hostnames
- bigbrothersbigsisters-ca.mail.protection.outlook.com
MX Priorities
- bigbrothersbigsisters-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 15.222.98.187 ↩ ec2-15-222-98-187.ca-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.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:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.webnames.ca postmaster.webnames.ca 1759867115 21600 180 1209600 3600
Primary NS (mname)
ns1.webnames.ca
Admin Email (rname)
postmaster@webnames.ca
Serial
1759867115
Refresh
21600s
Retry
180s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.webnames.ca
ns3.webnames.ca
ns1.webnames.ca
SPF Record
✓ Strict (-all)
v=spf1 a mx include:salsalabs.org include:spf.protection.outlook.com include:_spf.messagegears.net ip4:205.139.104.0/22 ip4:173.46.148.17 include:spf.constantcontact.com include:servers.mcsv.net include:sendgrid.net include:gifttool.com include:docebosaas.com -all
📊 DNS lookups: 10/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
s1._domainkey
s2._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
12 records- google-site-verification=vV8rWePjMi-qbfN3s_shBOP1DlAoklcmcsPBClgHDjo
- brevo-code:5863016494b9d4268f8cddb8307d58f4
- brevo-code:732b2040aaf64183fca6ee1601e1cfb2
- edn0hub2r1ghunnt1obh5jo43g
- 1k9f5oeri8c6brgq5vihona0cr
- SPFv=spf1 a mx include:salsalabs.org include:spf.protection.outlook.com include:_spf.messagegears.net ip4:205.139.104.0/22 ip4:173.46.148.17 include:spf.constantcontact.com include:servers.mcsv.net include:sendgrid.net include:gifttool.com include:docebosaas.com -all
- bcn=119608E2-9D9F-11ED-8BB0-00CEFD0C8F5A
- facebook-domain-verification=xme1v4ahro3jdjg3nwuntbkkxn78hs
- knowbe4-site-verification=ae829f36e3ccec22017fbeb0812041aa
- u8jo0qrhl7lg3b2s77hbk62vel
- Sendinblue-code:31130206557b5ebdcf055b84aa7e5e8a
- brevo-code:d343dac1f0fc5a6bfcd7509db667b0ef
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