1st-comm.com

Valid Email Server
Domain Lookup › 1st-comm.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
1st-comm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 04:27:02 UTC · ↺ Refresh

MX Hostnames

  • 1stcomm-com0i.mail.protection.outlook.com

MX Priorities

  • 1stcomm-com0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 107.180.114.168 ↩ 168.114.180.107.host.secureserver.net

Mail Server IPs

  • 52.101.9.17 (no PTR)
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns17.domaincontrol.com dns.jomax.net 2026012501 28800 7200 604800 3600
Primary NS (mname)
ns17.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns17.domaincontrol.com
ns18.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:47.181.190.40 ip4:162.255.22.126 ip4:8.39.216.65 include:_spf.intacct.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • have-i-been-pwned-verification=40aeb5631fe4e264fb4fd930f2784a2f
  • SPFv=spf1 ip4:47.181.190.40 ip4:162.255.22.126 ip4:8.39.216.65 include:_spf.intacct.com include:spf.protection.outlook.com ~all
  • intacct-esk=B43B21DF10842346E0533977210AC3B4
  • MS=ms63621420
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