Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
halsteadintl.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 01:52:07 UTC · ↺ Refresh
MX Hostnames
- d255409b.ess.barracudanetworks.com
- d255409a.ess.barracudanetworks.com
MX Priorities
- d255409b.ess.barracudanetworks.com: 5
- d255409a.ess.barracudanetworks.com: 5
A / AAAA Records
- 104.26.13.27 (no PTR)
- 172.67.68.17 (no PTR)
- 104.26.12.27 (no PTR)
- 2606:4700:20::681a:d1b (no PTR)
- 2606:4700:20::ac43:4411 (no PTR)
- 2606:4700:20::681a:c1b (no PTR)
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
ryan.ns.cloudflare.com dns.cloudflare.com 2399044877 10000 2400 604800 1800
Primary NS (mname)
ryan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399044877
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ryan.ns.cloudflare.com
sima.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.238.154.106 ip4:12.218.134.230 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:spf.US.exclaimer.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
11 records- monday-com-verification=rAcOZvm74q-RjptgpF6e5BTrTRLYPD3WEhLW4vRALx4
- SPFv=spf1 ip4:64.238.154.106 ip4:12.218.134.230 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:spf.US.exclaimer.net -all
- 02ky1v9fd8sc28k0gq9rw99qqc2pls57
- _k8z8rk5k1ziulyuqvekulqz5kp98akc
- b178xl18y51jb1jxfjmnb9lvpzmyv72w
- cI0V0D+jgqSB/+z7m63RqpdnOShchbRbuHTImbYt+cl2fQ44FQqlpoP7+FXO5y0CK56JGBuwalgLEgWOrDuVAQ==
- d00xp297hylb22r5bk7wjl43fjjqhsc0
- dropbox-domain-verification=uriych8mkn8m
- google-site-verification=-WetpjgRBauLnq_Mvyc3uYH3WS2COy3bPFGd3YLtIIM
- have-i-been-pwned-verification=dweb_orxrxt4h0is5xtxw1d3cv1sp
- miro-verification=1523f952f04d905bcbc6fc362c608d1545378097
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