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
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 detectedNo 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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