jp.nipponsteel.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
jp.nipponsteel.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-23 10:00:47 UTC ยท โ†บ Refresh

MX Hostnames

  • alt1.ap.email.fireeyecloud.com
  • alt3.ap.email.fireeyecloud.com
  • primary.ap.email.fireeyecloud.com
  • alt2.ap.email.fireeyecloud.com

MX Priorities

  • alt1.ap.email.fireeyecloud.com: 10
  • alt2.ap.email.fireeyecloud.com: 20
  • alt3.ap.email.fireeyecloud.com: 30
  • primary.ap.email.fireeyecloud.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 3.112.99.2 โ†ฉ mx.ap.email.fireeyecloud.com
  • 3.112.99.1 โ†ฉ mx.ap.email.fireeyecloud.com
  • 3.112.99.0 โ†ฉ mx.ap.email.fireeyecloud.com

SOA Record

Raw SOA ns000.d-53.net dns-managers.iij.ad.jp 2026031700 3600 600 604800 900
Primary NS (mname)
ns000.d-53.net
Admin Email (rname)
dns-managers@iij.ad.jp
Serial
2026031700
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns001-cj1vgb53uf0cudn2.c.d-53.jp
ns001-cj1vgb53uf0cudn2.c.d-53.org
ns001-cj1vgb53uf0cudn2.c.d-53.info

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:18.177.4.214 ip4:57.181.214.214 +ip4:61.196.162.0/24 +ip4:211.8.147.128/26 +ip4:160.17.0.0/16 ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],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],mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._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

7 records
  • webexdomainverification.2DZT3=fe9c8c87-67bf-45da-bfc5-4215fa41f9ea
  • google-site-verification=o8ollgunQC6pZ_OFS0euzIComy-37SBxgFTZkOavUFE
  • KYuCdwgWzW7/J47gmUFfa5xXAwnpeLSGWtt80irnMX43iInyMIEGfWNUoObNX+yAcAkIOqkmj3FurzHQcA292w==
  • box-domain-verification=ab5c923804cf6f361398700ea4f7929b89e8b78973b627d215fcac2f4b50e44a
  • cisco-ci-domain-verification=58fc62cf9da9e9fc1567930fe8575a65042ab27ff54f9f42cec3d2a689c5057b
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:18.177.4.214 ip4:57.181.214.214 +ip4:61.196.162.0/24 +ip4:211.8.147.128/26 +ip4:160.17.0.0/16 ~all
  • MS=ms25891639
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for jp.nipponsteel.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits