Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nrkconstruction.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:28:17 UTC · ↺ Refresh
MX Hostnames
- d281524a.ess.barracudanetworks.com
- d281524b.ess.barracudanetworks.com
MX Priorities
- d281524b.ess.barracudanetworks.com: 100
- d281524a.ess.barracudanetworks.com: 90
A / AAAA Records
- 45.79.62.213 ↩ 45-79-62-213.ip.linodeusercontent.com
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 10 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
10
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c3.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c4.googledomains.com
ns-cloud-c1.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
- MS=ms66764480
Full email verification for nrkconstruction.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits