hphtx.org

Valid Email Server
Domain Lookup › hphtx.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hphtx.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 10:10:27 UTC · ↺ Refresh

MX Hostnames

  • d231588a.ess.barracudanetworks.com
  • d231588b.ess.barracudanetworks.com

MX Priorities

  • d231588b.ess.barracudanetworks.com: 20
  • d231588a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 104.18.35.118 (no PTR)
  • 172.64.152.138 (no PTR)

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA norah.ns.cloudflare.com dns.cloudflare.com 2398214283 10000 2400 604800 1800
Primary NS (mname)
norah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398214283
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sage.ns.cloudflare.com
norah.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com ip4:104.18.35.118 ip4:172.64.152.138 ip4:192.254.114.226 ip4:50.200.18.145 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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
  • v1Ph+pjkrkDh8sN9fg/cqHsaib1CxDMBZ7VaTT7flEqFO1wvtS1yLtQnoFNrJODy7lRuel3K7c30EfEmvLcBkg==
  • SPFv=spf1 include:spf.ess.barracudanetworks.com ip4:104.18.35.118 ip4:172.64.152.138 ip4:192.254.114.226 ip4:50.200.18.145 -all
  • duo_sso_verification=P3PC2mCfng0w5T7viuhb5XN8XrDPI3zL5ELnRSO8Krdo4bSwKxvXvqAzCPemLs67
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