Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nmhs.net
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 13:46:33 UTC · ↺ Refresh
MX Hostnames
- d34483b.ess.barracudanetworks.com
- d34483a.ess.barracudanetworks.com
MX Priorities
- d34483b.ess.barracudanetworks.com: 10
- d34483a.ess.barracudanetworks.com: 5
A / AAAA Records
- 76.76.21.21 (no PTR)
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
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:12.207.9.112/32 ip4:12.207.9.113/32 ip4:206.130.52.77/32 ip4:206.130.52.76/32 ip4:206.130.52.33/32 ip4:40.84.28.29/32 ip4:65.38.18.9/32 include:spf.protection.outlook.com include:mailgun.org include:spf-ipv4.scisolutions.com include:spf.constantcontact.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
6 records- apple-domain-verification=EKN9px11mcdbqPBn
- cisco-ci-domain-verification=34caad6d340ffdf40bc4c22944d0874ded11f6a7a19d84ceab9fc843431b5677
- google-site-verification=nLNZ5VLzFwf57XQ8GB-umB9VPcXweYw_P2AGbgTvPUE
- ip4:142.0.177.0/24
- _619l4lvpw00ghkw1pff71n87jwljedf
- SPFv=spf1 mx a ip4:12.207.9.112/32 ip4:12.207.9.113/32 ip4:206.130.52.77/32 ip4:206.130.52.76/32 ip4:206.130.52.33/32 ip4:40.84.28.29/32 ip4:65.38.18.9/32 include:spf.protection.outlook.com include:mailgun.org include:spf-ipv4.scisolutions.com include:spf.constantcontact.com -all
Full email verification for nmhs.net
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