starts.co.jp

Valid Email Server
Domain Lookup › starts.co.jp

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
starts.co.jp
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 19:22:05 UTC · ↺ Refresh

MX Hostnames

  • starts-co-jp.mail.protection.outlook.com

MX Priorities

  • starts-co-jp.mail.protection.outlook.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.124.5 ↩ mail-tyvp286cu00305.inbound.protection.outlook.com
  • 52.101.157.40 ↩ mail-os9p286cu00100.inbound.protection.outlook.com
  • 52.101.124.6 ↩ mail-tyvp286cu00206.inbound.protection.outlook.com
  • 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f:: ↩ mail-os9p286cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc24:: ↩ mail-os0p286cu01300.inbound.protection.outlook.com

SOA Record

Raw SOA ns000.d-53.net dns-managers.iij.ad.jp 249 3600 600 604800 900
Primary NS (mname)
ns000.d-53.net
Admin Email (rname)
dns-managers@iij.ad.jp
Serial
249
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns012-t149p4dpgmlgc08f.t.d-53.net
ns012-t149p4dpgmlgc08f.t.d-53.info
ns012-t149p4dpgmlgc08f.t.d-53.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 +ip4:106.184.71.31/32 +ip4:106.184.71.141/32 +ip4:202.229.23.200/29 +ip4:210.148.252.238 +ip4:210.255.55.90 include:spf.protection.outlook.com include:_spf.activegate-ss.jp include:_spf.salesforce.com include:webcas.net include:mail.s-yumenavi.com include:spf.baremetal.jp ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • SPFv=spf1 +ip4:106.184.71.31/32 +ip4:106.184.71.141/32 +ip4:202.229.23.200/29 +ip4:210.148.252.238 +ip4:210.255.55.90 include:spf.protection.outlook.com include:_spf.activegate-ss.jp include:_spf.salesforce.com include:webcas.net include:mail.s-yumenavi.com include:spf.baremetal.jp ~all
  • MS=ms93106061
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