Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cityservicecorp.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:28:20 UTC · ↺ Refresh
MX Hostnames
- mail.cityservicecorp.com
MX Priorities
- mail.cityservicecorp.com: 10
A / AAAA Records
- 68.66.226.83 ↩ az1-sr8.supercp.com
Mail Server IPs
- 58.71.78.90 ↩ mail.forzaintegrated.com
SOA Record
Raw SOA
dns1.name-services.com info.name-services.com 1773386818 172800 900 1814400 300
Primary NS (mname)
dns1.name-services.com
Admin Email (rname)
info@name-services.com
Serial
1773386818
Refresh
172800s
Retry
900s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
dns1.name-services.com
dns5.name-services.com
dns3.name-services.com
dns4.name-services.com
dns2.name-services.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:58.71.78.90 ip4:192.168.0.10 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 ip4:58.71.78.90 ip4:192.168.0.10 -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 cityservicecorp.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits