Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nysc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 09:42:26 UTC · ↺ Refresh
MX Hostnames
- d345805a.ess.barracudanetworks.com
- d345805b.ess.barracudanetworks.com
MX Priorities
- d345805b.ess.barracudanetworks.com: 15
- d345805a.ess.barracudanetworks.com: 5
A / AAAA Records
- 104.21.79.230 (no PTR)
- 172.67.149.77 (no PTR)
- 2606:4700:3030::6815:4fe6 (no PTR)
- 2606:4700:3037::ac43:954d (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dahlia.ns.cloudflare.com dns.cloudflare.com 2397223435 10000 2400 604800 1800
Primary NS (mname)
dahlia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397223435
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dahlia.ns.cloudflare.com
eric.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:mailgun.org include:sendgrid.net include:23622638.spf02.hubspotemail.net include:23622638t.spf02.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:mailgun.org include:sendgrid.net include:23622638.spf02.hubspotemail.net include:23622638t.spf02.hubspotemail.net -all
Full email verification for nysc.com
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