prevostconstruction.com

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
prevostconstruction.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 12:26:18 UTC · ↺ Refresh

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MX Hostnames

  • d354226a.ess.barracudanetworks.com
  • skylineconstruction.mail.protection.outlook.com
  • mxtls.expurgate.net
  • d354226b.ess.barracudanetworks.com

MX Priorities

  • d354226b.ess.barracudanetworks.com: 10
  • mxtls.expurgate.net: 99
  • skylineconstruction.mail.protection.outlook.com: 99
  • d354226a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 157.245.116.212

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 195.190.135.121 ↩ mxtls.expurgate.net
  • 195.190.135.122 ↩ mxtls.expurgate.net
  • 195.190.135.123 ↩ mxtls.expurgate.net
  • 195.190.135.124 ↩ mxtls.expurgate.net
  • 195.190.135.125 ↩ mxtls.expurgate.net
  • 194.145.224.120 ↩ mxtls.expurgate.net
  • 194.145.224.121 ↩ mxtls.expurgate.net
  • 194.145.224.122
  • 194.145.224.123
  • 194.145.224.124
  • 194.145.224.125
  • 195.190.135.120
  • 52.101.41.180
  • 52.101.41.0
  • 52.101.9.20
  • 52.101.41.22
  • 2a01:111:f403:f909::3
  • 2a01:111:f403:f90a::
  • 2a01:111:f403:c91d::a
  • 2a01:111:f403:c902::6

SOA Record

Raw SOA ns71.worldnic.com namehost.worldnic.com 126020213 10800 3600 604800 3600
Primary NS (mname)
ns71.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126020213
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns71.worldnic.com
ns72.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.expurgate.net include:spf.exclaimer.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • MS=ms96150408
  • slnfbl6foup6ofvsfvcmgjv8jm
  • docusign=9c977e9e-7932-49f4-802d-8718ae68f34a
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.expurgate.net include:spf.exclaimer.net -all
  • q6cpf555vscgk6van06dtgi10j
  • knowbe4-site-verification=65f0b338356d1c0f99eaffa464caaab3
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