Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
accuvent.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 05:37:13 UTC · ↺ Refresh
MX Hostnames
- d284044a.ess.barracudanetworks.com
- d284044b.ess.barracudanetworks.com
MX Priorities
- d284044a.ess.barracudanetworks.com: 10
- d284044b.ess.barracudanetworks.com: 20
A / AAAA Records
- 172.67.184.200 (no PTR)
- 104.21.76.5 (no PTR)
- 2606:4700:3031::6815:4c05 (no PTR)
- 2606:4700:3036::ac43:b8c8 (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
asa.ns.cloudflare.com dns.cloudflare.com 2404362311 10000 2400 604800 1800
Primary NS (mname)
asa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404362311
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kai.ns.cloudflare.com
asa.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.91.248.166 include:server1.authoritysolutions.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- ms=ms23203739
- SPFv=spf1 ip4:64.91.248.166 include:server1.authoritysolutions.com include:spf.protection.outlook.com -all
Full email verification for accuvent.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits