Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aronaco.net
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:32:17 UTC · ↺ Refresh
MX Hostnames
- d338926b.ess.barracudanetworks.com
- d338926a.ess.barracudanetworks.com
MX Priorities
- d338926b.ess.barracudanetworks.com: 5
- d338926a.ess.barracudanetworks.com: 0
A / AAAA Records
- 104.21.60.78 (no PTR)
- 172.67.193.223 (no PTR)
- 2606:4700:3037::ac43:c1df (no PTR)
- 2606:4700:3037::6815:3c4e (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
gabriel.ns.cloudflare.com dns.cloudflare.com 2400376684 10000 2400 604800 1800
Primary NS (mname)
gabriel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400376684
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
surina.ns.cloudflare.com
gabriel.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx -all
📊 DNS lookups: 2/10
✓ 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
✓ 5 found
selector1._domainkey
selector2._domainkey
default._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
4 records- SPFv=spf1 include:spf.protection.outlook.com mx -all
- 963d16484d2c29ca71578e63d97a3cdd
- anthropic-domain-verification-md3138=a1CT0KuYNBXbVaX8FKCUOhK9d
- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCZLOpZh3s5ku7k4S04hbuwicgGtfdZd3KkgipjIJZ6intPMbv1X5ZR3ZqdEcLZbZYDn2V7wYADLxYBh2Z6W6QUZbY+CMS4n8sgOoUCh4vmshmcVX2CfYB91O6qLXhG86wvd4ISIxwrize4E0WpuPXl7C+p7Jy5va7PNh9Pt+/djQIDAQAB
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