cityofshelton.org

Valid Email Server
Domain Lookup › cityofshelton.org
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cityofshelton.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 11:02:50 UTC · ↺ Refresh

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MX Hostnames

  • d294696a.ess.barracudanetworks.com
  • d294696b.ess.barracudanetworks.com

MX Priorities

  • d294696b.ess.barracudanetworks.com: 10
  • d294696a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 3.231.180.76 ↩ ec2-3-231-180-76.compute-1.amazonaws.com

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 ns1045.ui-dns.biz hostmaster.1und1.com 2017031544 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017031544
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1045.ui-dns.org
ns1045.ui-dns.com
ns1045.ui-dns.de
ns1045.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:173.9.26.1/28 include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

5 records
  • SPFv=spf1 mx a ip4:173.9.26.1/28 include:spf.ess.barracudanetworks.com ~all
  • google-site-verification=gYNxJGt3evq8Hqk469FU-PrCZ6_CHJkxcgxxI4Jlzj0
  • n5uhspjtndl7olvso4vvlq691l
  • apple-domain-verification=gVJmefJkC2bGQJeh
  • MS=A8255087DD79016B95C7861DDFC5279070E4FCA1
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