Domain Overview
DNS: ✓ 21d ago
Checker: ✓ 21d ago
spectrumsi.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:51:35 UTC · ↺ Refresh
MX Hostnames
- d128986b.ess.barracudanetworks.com
- d128986a.ess.barracudanetworks.com
MX Priorities
- d128986b.ess.barracudanetworks.com: 20
- d128986a.ess.barracudanetworks.com: 10
A / AAAA Records
- 50.234.177.200 (no PTR)
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
ns13.worldnic.com namehost.worldnic.com 126040615 10800 3600 604800 3600
Primary NS (mname)
ns13.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126040615
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns14.worldnic.com
ns13.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:96.87.15.205 +ip4:50.205.245.58 +ip4:209.222.82.247 +ip4:209.222.80.0/21 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- atlassian-domain-verification=fnfoEdbrCxV8eEMS5T7KtfRE6c8k1fj4KhvGK-1B4Y3v5lPUY0sMWagB759kuR/i
- duo_sso_verification=pJbw5bOgcXc3syzSGFeQuc1iztsGnxp1QvX5cICZOU7tXVrixhSP7Xn6kjmFhsZN
- apple-domain-verification=JQQbIvGe0c1z4HOJ
- SPFv=spf1 +a +mx +ip4:96.87.15.205 +ip4:50.205.245.58 +ip4:209.222.82.247 +ip4:209.222.80.0/21 +include:spf.protection.outlook.com -all
- MS=ms43546161
- avcun9h897a4h3jftl8nkmmlcg
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