tm-21.com

Valid Email Server
Domain Lookup › tm-21.com

Domain Overview

DNS: ✓ just now Checker: ✓ just now
tm-21.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-02 02:31:36 UTC · ↺ Refresh

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MX Hostnames

  • tm21.in.tmems-jp.trendmicro.com

MX Priorities

  • tm21.in.tmems-jp.trendmicro.com: 30

A / AAAA Records

  • 42.125.235.233 (no PTR)

Mail Server IPs

  • 18.176.203.133 ↩ in.tmems-jp.trendmicro.com
  • 18.176.203.132 ↩ in.tmems-jp.trendmicro.com
  • 18.176.203.131 ↩ in.tmems-jp.trendmicro.com

SOA Record

Raw SOA ns-1056.awsdns-04.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1056.awsdns-04.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1056.awsdns-04.org
ns-1538.awsdns-00.co.uk
ns-387.awsdns-48.com
ns-650.awsdns-17.net

SPF Record

✓ Strict (-all)
v=spf1 +include:spf.tm-21.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • tmes=055e47655e5ef13c646ec5629cc1876e
  • SPFv=spf1 +include:spf.tm-21.com -all
  • google-site-verification=cMydrqdeM6J2MVuouN6y70BjEa_L9Mcj-mZbshv4lis
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