Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cityofmesquite.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:07:31 UTC · ↺ Refresh
MX Hostnames
- cityofmesquite-com.mail.protection.outlook.com
MX Priorities
- cityofmesquite-com.mail.protection.outlook.com: 5
A / AAAA Records
- 172.67.71.66 (no PTR)
- 104.26.14.239 (no PTR)
- 104.26.15.239
- 2606:4700:20::681a:eef
- 2606:4700:20::681a:fef
- 2606:4700:20::ac43:4742
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:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
fred.ns.cloudflare.com dns.cloudflare.com 2398852986 10000 2400 604800 1800
Primary NS (mname)
fred.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398852986
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
may.ns.cloudflare.com
fred.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:207.64.149.0/24 ip4:207.126.144.0/20 ip4:207.7.154.9/24 ip4:209.237.241.0/24 ip4:192.189.81.0/24 ip4:23.98.132.80/32 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.saffire.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; aspf=r; adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- SPFv=spf1 mx ip4:207.64.149.0/24 ip4:207.126.144.0/20 ip4:207.7.154.9/24 ip4:209.237.241.0/24 ip4:192.189.81.0/24 ip4:23.98.132.80/32 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.saffire.com -all
- MS=ms67082324
- apple-domain-verification=hqnJYnQc36V6LdSh
- docusign=73bb50a8-e485-4224-b1d0-fa491a777a86
- duo_sso_verification=wmpMUPcXVM7kZ0n5HqdhEHLzmg6ZdVqR6dmRMd9i1XuoB3NrN4nk6lo6PsTz1enq
- google-site-verification=aUEsMQ8kmc3ZmpudT2mCpEpAdxnLJv7f4sCCgvCS3K8
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 cityofmesquite.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits