Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
redsailtechnologies.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 03:42:36 UTC · ↺ Refresh
MX Hostnames
- d321348b.ess.barracudanetworks.com
- d321348a.ess.barracudanetworks.com
MX Priorities
No priority data.
A / AAAA Records
- 198.202.211.1
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
dns1.qs1.com
dns2.qs1.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.redsailtechnologies.com include:spf2.redsailtechnologies.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
✓ 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
13 records- MS=ms37784730
- openai-domain-verification=dv-oX8Q2TnHtssrtq4BEk1HnK3t
- SPFv=spf1 include:spf1.redsailtechnologies.com include:spf2.redsailtechnologies.com -all
- mongodb-site-verification=mQIdheF5eGGoy4LMw1i8zR41VUYNcU6a
- atlassian-domain-verification=ER6NGAUONoDDFQD5jclU/tWUOOxW54UIv5g/wC3mcae81bOhhvxxsGx39thfE7OL
- _ioza7rorjjvaof1x67q6rqkvk5i3fv8
- c9p66skdglubeetdbnmte2a3b7
- knowbe4-site-verification=19341def49e16436897fceadc93ecddd
- duo_sso_verification=Xu8kgjnh7Yh4n1lW8EpTZR1ZqjdDIgjO5kwQ0ZbKJvFw6Gvirn7MXhVEQL2Cj7Xj
- cisco-ci-domain-verification=78f1ef9338c5c365a59fac4c85369fd1118f0f67ac3751ea51d611fab429fe2a
- apple-domain-verification=e7x39fltQnLeh4Al
- msfpkey=6xzwmpsh3cay37mbbw0v2dmiw
- proxy-ssl.webflow.com
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