collumlumber.com

Valid Email Server
Domain Lookup › collumlumber.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
collumlumber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 23:16:19 UTC · ↺ Refresh

MX Hostnames

  • collumlumber-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 35.212.109.177

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns21.digicertdns.com
ns23.digicertdns.net
ns24.digicertdns.net
ns25.digicertdns.net
ns20.digicertdns.com
ns22.digicertdns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:44.193.122.47/32 ip4:3.93.106.58/32 ip4:54.159.153.87/32 ip4:54.204.31.138/32 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

4 records
  • SPFv=spf1 ip4:44.193.122.47/32 ip4:3.93.106.58/32 ip4:54.159.153.87/32 ip4:54.204.31.138/32 include:spf.protection.outlook.com ~all
  • MS=ms57393677
  • 21346f21643d8a77922e71cdbe2cac5151cd838d
  • apple-domain-verification=9y5P8rovNovArs6d
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