Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sdyc.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 03:19:59 UTC · ↺ Refresh
MX Hostnames
- d226385a.ess.barracudanetworks.com
- d226385b.ess.barracudanetworks.com
MX Priorities
- d226385b.ess.barracudanetworks.com: 20
- d226385a.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.24.9.63 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns1236-1.nexcess.net hostmaster.sdyc.org 1758821565 7200 300 1209600 10800
Primary NS (mname)
dns1236-1.nexcess.net
Admin Email (rname)
hostmaster@sdyc.org
Serial
1758821565
Refresh
7200s
Retry
300s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
dns1236-1.nexcess.net
dns1236-2.nexcess.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:104.207.238.66 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- _globalsign-domain-verification=8UWWzwmuOQ_INAHXvEvqd_Gx1g9oXoHVvUD3KhTJpm
- SPFv=spf1 ip4:104.207.238.66 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
- MS=ms73468517
- google-site-verification=lSBM7cIE6x6wTCiVCMAy23fOTxzVrSmh5FyW0lRJ-Lk
Full email verification for sdyc.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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