the-reef.com

Valid Email Server
Domain Lookup › the-reef.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
the-reef.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 12:49:57 UTC · ↺ Refresh

MX Hostnames

  • d301829b.ess.barracudanetworks.com
  • thereef-com0i.mail.protection.outlook.com
  • d301829a.ess.barracudanetworks.com

MX Priorities

  • d301829a.ess.barracudanetworks.com: 0
  • d301829b.ess.barracudanetworks.com: 1
  • thereef-com0i.mail.protection.outlook.com: 20

A / AAAA Records

  • 198.49.23.144
  • 198.49.23.145
  • 198.185.159.144
  • 198.185.159.145

Mail Server IPs

  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2

SOA Record

Raw SOA dns1.p01.nsone.net hostmaster.nsone.net 1736212434 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1736212434
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p01.nsone.net
dns2.p01.nsone.net
dns3.p01.nsone.net
dns4.p01.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com

SPF Record

✓ Strict (-all)
v=spf1 a ip4:104.131.151.43 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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

2 records
  • MS=ms14362349
  • SPFv=spf1 a ip4:104.131.151.43 include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for the-reef.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits