paperfreecorp.com

Valid Email Server
Domain Lookup › paperfreecorp.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 01:19:47 UTC · ↺ Refresh

MX Hostnames

  • paperfreecorp-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 13.52.69.235 ↩ ec2-13-52-69-235.us-west-1.compute.amazonaws.com
  • 54.241.218.89 ↩ ec2-54-241-218-89.us-west-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1946.awsdns-51.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1946.awsdns-51.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1053.awsdns-03.org
ns-1946.awsdns-51.co.uk
ns-433.awsdns-54.com
ns-1013.awsdns-62.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

✓ 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
  • uucdqtcl8r6a189c7b9ukmobg7
  • uucdqtcl8r6a189c7b9ukmobg7.
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=0ipP74kgHbXYz80elvwlEs7-quB7fhqD8HVXG9knP8I
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