Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
securenursing.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 02:46:02 UTC · ↺ Refresh
MX Hostnames
- d307270a.ess.barracudanetworks.com
- d307270b.ess.barracudanetworks.com
MX Priorities
- d307270a.ess.barracudanetworks.com: 10
- d307270b.ess.barracudanetworks.com: 20
A / AAAA Records
- 76.76.21.21 (no PTR)
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
SOA Record
Raw SOA
ns6089.hostgator.com root.gator3045.hostgator.com 2026031803 86400 7200 3600000 86400
Primary NS (mname)
ns6089.hostgator.com
Admin Email (rname)
root@gator3045.hostgator.com
Serial
2026031803
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns6089.hostgator.com
ns6090.hostgator.com
SPF Record
✓ Strict (-all)
v=spf1 +a +ip4:50.87.144.64 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- dv5vhdj27fc61mmgmmv7n4jis4
- amazonses:88cgWc9JZPeVgv0RGqdTSasEsvGEuZRcCzgTB9oSy5A=
- MS=ms70737597
- SPFv=spf1 +a +ip4:50.87.144.64 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
Full email verification for securenursing.com
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