ircroofing.com

Valid Email Server
Domain Lookup › ircroofing.com

Domain Overview

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

Checked via [email protected] · 2026-03-28 08:21:36 UTC · ↺ Refresh

MX Hostnames

  • mx4c38.carrierzone.com
  • mx3c38.carrierzone.com
  • ircroofing-com.mail.protection.outlook.com
  • mx1c38.carrierzone.com
  • mx2c38.carrierzone.com

MX Priorities

  • mx1c38.carrierzone.com: 10
  • mx3c38.carrierzone.com: 110
  • ircroofing-com.mail.protection.outlook.com: 0
  • mx2c38.carrierzone.com: 100
  • mx4c38.carrierzone.com: 120

A / AAAA Records

  • 66.175.58.9

Mail Server IPs

  • 66.175.58.41 ↩ mx1c38.carrierzone.com
  • 66.175.58.43 ↩ mx3c38.carrierzone.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 66.175.58.42
  • 66.175.58.44

SOA Record

Raw SOA dns1.earthlink.net hostmaster.earthlink.net 2017020807 7200 3600 3600000 3600
Primary NS (mname)
dns1.earthlink.net
Admin Email (rname)
hostmaster@earthlink.net
Serial
2017020807
Refresh
7200s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

dns1.earthlink.net
dns2.earthlink.net
dns3.earthlink.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for ircroofing.com

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