cfg.sg

Valid Email Server
Domain Lookup › cfg.sg

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cfg.sg
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 13:10:49 UTC · ↺ Refresh

MX Hostnames

  • cfg-sg.mail.protection.outlook.com

MX Priorities

  • cfg-sg.mail.protection.outlook.com: 0

A / AAAA Records

  • 103.7.8.90 ↩ vps.chiropractic-first.org

Mail Server IPs

  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com

SOA Record

Raw SOA ns05.usonyx.net noc.usonyx.net 2023081000 86400 7200 3600000 86400
Primary NS (mname)
ns05.usonyx.net
Admin Email (rname)
noc@usonyx.net
Serial
2023081000
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns10.usonyx.net
ns05.usonyx.net
ns06.usonyx.net
ns09.usonyx.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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