union-tel.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
union-tel.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:48:13 UTC · ↺ Refresh

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MX Hostnames

  • d48226b.ess.barracudanetworks.com
  • d48226a.ess.barracudanetworks.com

MX Priorities

  • d48226b.ess.barracudanetworks.com: 20
  • d48226a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 166.230.5.40 (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 ns53.domaincontrol.com dns.jomax.net 2026030501 28800 7200 604800 600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns54.domaincontrol.com
ns53.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:166.230.5.40 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • 25nmnr1wqzp1jwpmcw7v0y9qdg1pnkjj
  • p4t4kqg074xlj91bjbg9lxzyw32thbbv
  • k8pxzdn9mf3cnn95mnh9f241qsbgm3dl
  • _g13elqkzd866jnaoqipr9tj12ykfcht
  • SPFv=spf1 mx ip4:166.230.5.40 include:spf.ess.barracudanetworks.com -all
  • _cy8881r2s31xzpt0nbc8dv2uj43aiw1
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