nttpc.co.jp

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
nttpc.co.jp
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-23 14:43:37 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.124.1 โ†ฉ mail-ty3p286cu00101.inbound.protection.outlook.com
  • 52.101.124.0 โ†ฉ mail-tycp286cu02600.inbound.protection.outlook.com
  • 52.101.124.5 โ†ฉ mail-tyvp286cu00305.inbound.protection.outlook.com
  • 52.101.157.40 โ†ฉ mail-os9p286cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.sphere.ad.jp dns.sphere.ad.jp 2026022601 10800 3600 604800 300
Primary NS (mname)
ns1.sphere.ad.jp
Admin Email (rname)
dns@sphere.ad.jp
Serial
2026022601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1.sphere.ad.jp
ns2.sphere.ad.jp

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.mta.hdems.com include:fc5270.cuenote.jp include:spf12.sphere.ad.jp include:spf-pc3.sphere.ad.jp include:mdiberis.maildealer.jp include:6213652.spf03.hubspotemail.net ~all
๐Ÿ“Š DNS lookups: 7/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

18 records
  • miro-verification=e2fbf34f3228ded13858687d0d7a681aa564b5c0
  • MS=ms40253279
  • MS=3EC01A04D78CB46FBD27FEC4C25332A7218609DA
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mta.hdems.com include:fc5270.cuenote.jp include:spf12.sphere.ad.jp include:spf-pc3.sphere.ad.jp include:mdiberis.maildealer.jp include:6213652.spf03.hubspotemail.net ~all
  • MS=88325F4C01FFEC047604667D65E41BF128E555A8
  • MS=ms70033537
  • MS=ms42976932
  • _3p9niob2g96uv4mp24yocxm3eoa097d
  • globalsign-domain-verification=ItFbOEEukJM1ETyREhzC9Q_vBuhU6scsW2PRb7CwWD
  • MS=E9D44A9F6126E6ED272F744EBDD73A8DD7F0AC24
  • amazonses:elX9Je5srRQaBJW2Y2z1K4GKQ1T2sH97VB9Ekzp5Yls=
  • MS=ms28619856
  • MS=ms56654397
  • _sotud6tb9lb1gghhg5mdbqsenbm2upp
  • MS=ms70600135
  • _naht2kw00cmmj9nj4oxirg30jhonxif
  • MS=781F1FA6570284267767DD211D1A76D2ED4571C1
  • _kj1ob6bmf0oxdw4f7lewnrv47nf9r0f
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