Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
barnesduncan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 10:07:11 UTC · ↺ Refresh
MX Hostnames
- barnesduncan-com.mail.protection.outlook.com
MX Priorities
- barnesduncan-com.mail.protection.outlook.com: 0
A / AAAA Records
- 15.157.97.252 ↩ ec2-15-157-97-252.ca-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.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
ns11.clearconcepts.ca dns.constellix.com 2015010196 43200 3600 1209600 180
Primary NS (mname)
ns11.clearconcepts.ca
Admin Email (rname)
dns@constellix.com
Serial
2015010196
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns41.clearconcepts.ca
ns51.clearconcepts.ca
ns61.clearconcepts.ca
ns11.clearconcepts.ca
ns21.clearconcepts.ca
ns31.clearconcepts.ca
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com ip4:207.161.102.0/24 ip4:173.46.152.128/25 ip4:184.71.74.26/32 ip4:74.115.204.0/24 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
2 records- SPFv=spf1 a include:spf.protection.outlook.com ip4:207.161.102.0/24 ip4:173.46.152.128/25 ip4:184.71.74.26/32 ip4:74.115.204.0/24 -all
- MS=ms40655608
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