Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bluestarinc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:26:32 UTC · ↺ Refresh
MX Hostnames
- d286936a.ess.barracudanetworks.com
- d286936b.ess.barracudanetworks.com
MX Priorities
- d286936b.ess.barracudanetworks.com: 10
- d286936a.ess.barracudanetworks.com: 10
A / AAAA Records
- 199.60.103.70 (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.bluestarinc.com admin.bluestarinc.com 2004023960 3600 600 604800 3600
Primary NS (mname)
ns1.bluestarinc.com
Admin Email (rname)
admin@bluestarinc.com
Serial
2004023960
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.bluestarinc.com
ns1.bluestarinc.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.68.72.94 ip4:216.68.72.84 ip4:216.68.72.66 include:spf.protection.outlook.com include:_spf1.bluestarinc.com include:4041669.spf06.hubspotemail.net include:bf06x.hubspotemail.net include:bf10x.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=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]
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
3 records- duo_sso_verification=TegAqjgFFLzyWRhCpnbLIwqA1XYEgPFR8fW0D6B9NfGaYcvcpo7nPSPVMc7O5M2m
- cisco-ci-domain-verification=1c7193f7a3de107aea38ea288275e45ea37f9131f6871ff23d62a56980a9e65a
- SPFv=spf1 ip4:216.68.72.94 ip4:216.68.72.84 ip4:216.68.72.66 include:spf.protection.outlook.com include:_spf1.bluestarinc.com include:4041669.spf06.hubspotemail.net include:bf06x.hubspotemail.net include:bf10x.hubspotemail.net ~all
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