Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
citydoor.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 08:44:55 UTC · ↺ Refresh
MX Hostnames
- mx001.netsol.xion.oxcs.net
- mx003.netsol.xion.oxcs.net
- mx004.netsol.xion.oxcs.net
- mx002.netsol.xion.oxcs.net
MX Priorities
- mx004.netsol.xion.oxcs.net: 10
- mx003.netsol.xion.oxcs.net: 10
- mx002.netsol.xion.oxcs.net: 10
- mx001.netsol.xion.oxcs.net: 10
A / AAAA Records
- 209.17.116.160 (no PTR)
Mail Server IPs
- 51.81.206.109 ↩ mx34.oxsus-vadesecure.net
- 51.81.206.108 ↩ mx33.oxsus-vadesecure.net
- 173.45.18.129 ↩ mx32.oxsus-vadesecure.net
- 173.45.18.128 ↩ mx31.oxsus-vadesecure.net
SOA Record
Raw SOA
ns1.worldnic.com namehost.worldnic.com 125040720 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125040720
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.worldnic.com
ns1.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all
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