Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
osca-arcosa.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 18:23:49 UTC · ↺ Refresh
MX Hostnames
- d248448a.ess.barracudanetworks.com
- d248448b.ess.barracudanetworks.com
MX Priorities
- d248448a.ess.barracudanetworks.com: 10
- d248448b.ess.barracudanetworks.com: 20
A / AAAA Records
- 201.174.234.92 ↩ 201-174-234-92.transtelco.net
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns69.worldnic.com namehost.worldnic.com 124031119 10800 3600 604800 3600
Primary NS (mname)
ns69.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124031119
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns70.worldnic.com
ns69.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- MS=ms80266432
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms36779667
- ne8c9vqu5hmokn3acvdg8sd9md
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