tucsonaz.gov

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tucsonaz.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 21:12:16 UTC · ↺ Refresh

MX Hostnames

  • tucsonaz-gov.mail.protection.outlook.com

MX Priorities

  • tucsonaz-gov.mail.protection.outlook.com: 0

A / AAAA Records

  • 52.247.170.120 (no PTR)

Mail Server IPs

  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.p07.nsone.net hostmaster.nsone.net 1642175019 3600 300 2419200 7200
Primary NS (mname)
dns1.p07.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1642175019
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
7200s

Nameservers (NS)

dns1.p07.nsone.net
dns2.p07.nsone.net
dns3.p07.nsone.net
dns4.p07.nsone.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf0.tucsonaz.gov ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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

1 record
  • SPFv=spf1 include:spf0.tucsonaz.gov ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for tucsonaz.gov

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits