jonwnewcomer.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jonwnewcomer.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 11:29:32 UTC · ↺ Refresh

MX Hostnames

  • jonwnewcomer-com.mail.protection.outlook.com

MX Priorities

  • jonwnewcomer-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 50.79.134.33 ↩ 50-79-134-33-static.hfc.comcastbusiness.net

Mail Server IPs

  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mydyndns.org zone-admin.dyndns.com 2013070933 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2013070933
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns4135.dns.dyn.com
ns1185.dns.dyn.com
ns3131.dns.dyn.com
ns2132.dns.dyn.com

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms56815735
  • SPFv=spf1 a include:spf.protection.outlook.com -all
  • wHi4JRY5
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