Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
armstrongservices.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 13:46:04 UTC · ↺ Refresh
MX Hostnames
- d240860a.ess.barracudanetworks.com
- d240860b.ess.barracudanetworks.com
MX Priorities
- d240860b.ess.barracudanetworks.com: 10
- d240860a.ess.barracudanetworks.com: 0
A / AAAA Records
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
glen.ns.cloudflare.com dns.cloudflare.com 2403523195 10000 2400 604800 1800
Primary NS (mname)
glen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403523195
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tessa.ns.cloudflare.com
glen.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spamfilter.simpat.co include:spamfilter.simpaticosystemsll.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- 8963no6rvad6ie6b4ubsqltl35
- SPFv=spf1 include:spf.protection.outlook.com include:spamfilter.simpat.co include:spamfilter.simpaticosystemsll.com include:spf.ess.barracudanetworks.com -all
- 50m75rve830s6d4f61gf8phju
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