urban-developers.com

Valid Email Server
Domain Lookup › urban-developers.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
urban-developers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 01:04:44 UTC · ↺ Refresh

MX Hostnames

  • urbandevelopers-com01c.mail.protection.outlook.com

MX Priorities

  • urbandevelopers-com01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 46.28.106.187 ↩ hc1-wd371.wedos.net
  • 2a02:2b88:1:4::e9 ↩ hc1-wd371.wedos.net

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.regzone.cz administrator.czechia.cz 2025062002 10800 1800 1814400 3600
Primary NS (mname)
ns1.regzone.cz
Admin Email (rname)
administrator@czechia.cz
Serial
2025062002
Refresh
10800s
Retry
1800s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

ns1.regzone.de
ns1.regzone.info
ns1.regzone.cz

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.boldem.cz -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

✗ 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.boldem.cz -all
  • MS=ms17403509
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 urban-developers.com

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

No credit card required
Get 1,000 Free Credits