Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aarco.com.mx
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 16:32:37 UTC · ↺ Refresh
MX Hostnames
- d267789b.ess.barracudanetworks.com
- d267789a.ess.barracudanetworks.com
MX Priorities
- d267789a.ess.barracudanetworks.com: 0
- d267789b.ess.barracudanetworks.com: 5
A / AAAA Records
- 104.26.2.236 (no PTR)
- 172.67.73.61 (no PTR)
- 104.26.3.236 (no PTR)
- 2606:4700:20::681a:2ec (no PTR)
- 2606:4700:20::681a:3ec (no PTR)
- 2606:4700:20::ac43:493d (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
mark.ns.cloudflare.com dns.cloudflare.com 2399423435 10000 2400 604800 1800
Primary NS (mname)
mark.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399423435
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mark.ns.cloudflare.com
nadia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.aarco.com.mx ip4:70.38.87.200 ip4:70.38.87.201 ip4:70.38.87.202 ip4:70.38.87.203 include:spf.protection.outlook.com include:servers.mcsv.net include:protection.outlook.com include:_spf.embluemail.com include:_spf.xinet.com.mx -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
5 records- google-site-verification=odvMhcpBwWXqgwZimtX5LJa6K35uabp3xrQsB_kTJAE
- google-site-verification=xn4Y6qB611ufYf0PPLpNoLaRAfsdze8O9J_WoyR3g2I
- SPFv=spf1 mx a:mail.aarco.com.mx ip4:70.38.87.200 ip4:70.38.87.201 ip4:70.38.87.202 ip4:70.38.87.203 include:spf.protection.outlook.com include:servers.mcsv.net include:protection.outlook.com include:_spf.embluemail.com include:_spf.xinet.com.mx -all
- google-site-verification=FQXBreo8dGGZQA6oEwj-UcLFQaHe-PeUb1U3ipgomtw
- google-site-verification=mZnAsFCNgCivzw02H5JtVmQkESGD81zeBcqZUiza0rI
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