Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
oliverplumbing.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 06:35:25 UTC · ↺ Refresh
MX Hostnames
- oliverplumbing-ca.mail.protection.outlook.com
MX Priorities
- oliverplumbing-ca.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.191.22 (no PTR)
- 104.21.76.72 (no PTR)
- 2606:4700:3037::6815:4c48
- 2606:4700:3033::ac43:bf16
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dorthy.ns.cloudflare.com dns.cloudflare.com 2404099435 10000 2400 604800 1800
Primary NS (mname)
dorthy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404099435
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dorthy.ns.cloudflare.com
ernest.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com ~all
- MS=ms13191018
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