Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ryersonconcrete.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:56:14 UTC · ↺ Refresh
MX Hostnames
- d293979b.ess.barracudanetworks.com
- d293979a.ess.barracudanetworks.com
MX Priorities
- d293979b.ess.barracudanetworks.com: 20
- d293979a.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.21.0.168 (no PTR)
- 172.67.128.32 (no PTR)
- 2606:4700:3031::6815:a8 (no PTR)
- 2606:4700:3034::ac43:8020 (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
leah.ns.cloudflare.com dns.cloudflare.com 2398285215 10000 2400 604800 1800
Primary NS (mname)
leah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398285215
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
leah.ns.cloudflare.com
lloyd.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
3 records- google-site-verification=KtYl4YMjcHfFzkcfcQXBLIxAipX-043hF0XIxUl7nn8
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- MS=ms35999830
Full email verification for ryersonconcrete.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits