obriendevlin.com

Valid Email Server
Domain Lookup › obriendevlin.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
obriendevlin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 11:24:56 UTC · ↺ Refresh

MX Hostnames

  • obriendevlin-com.mail.protection.outlook.com

MX Priorities

  • obriendevlin-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 51.79.78.120 ↩ server67.calgarywebpagehosting.com

Mail Server IPs

  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.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::1 ↩ mail-yqzpr01cu01001.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

SOA Record

Raw SOA ns3.calgarywebpagehosting.com support.calgarywebpagehosting.com 2024111700 3600 1800 1209600 86400
Primary NS (mname)
ns3.calgarywebpagehosting.com
Admin Email (rname)
support@calgarywebpagehosting.com
Serial
2024111700
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.calgarywebpagehosting.com
ns3.calgarywebpagehosting.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:51.79.78.120 include:_spf.calgarywebpagehosting.com +a +mx include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 ip4:51.79.78.120 include:_spf.calgarywebpagehosting.com +a +mx include:spf.protection.outlook.com -all
  • MS=ms49562772
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