citydev.be

Valid Email Server
Domain Lookup › citydev.be

Domain Overview

DNS: ✓ 18h ago Checker: ✓ 18h ago
citydev.be
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 13:31:29 UTC · ↺ Refresh

MX Hostnames

  • citydev-be.mail.protection.outlook.com

MX Priorities

  • citydev-be.mail.protection.outlook.com: 0

A / AAAA Records

  • 174.129.25.170 ↩ wwwizer.com

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns3.combell.net hostmaster.citydev.be 1747313102 10800 3600 604800 40000
Primary NS (mname)
ns3.combell.net
Admin Email (rname)
hostmaster@citydev.be
Serial
1747313102
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
40000s

Nameservers (NS)

ns3.combell.net
ns1.combell.eu
ns4.combell.net

SPF Record

✓ Strict (-all)
v=spf1 a ip4:195.244.160.34 ip4:208.91.114.151 a:prezlymail.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

3 records
  • zsAv8UmYPkZJUwGFkKS8r5fRuz/KfBD62Bm4kZu3ql7veJbQ6zCi9sEY60RwubIqGes/sd4A1T817y4WLaxtsQ==
  • SPFv=spf1 a ip4:195.244.160.34 ip4:208.91.114.151 a:prezlymail.com include:spf.protection.outlook.com -all
  • MS=ms53201607
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