i-mail.jp

Domain Overview

DNS: ✓ just now Checker: ✓ just now

Domain

i-mail.jp

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Unknown

Disposable

Free Provider

Yes

Role Account

⚠ Yes

Email Relay

Privacy Protected

Checked via [email protected] · 2026-06-02 02:09:49 UTC · ↺ Refresh

MX Hostnames

mail.i-mail.jp
bsf400.mailserve.co.jp

MX Priorities

bsf400.mailserve.co.jp: 20
mail.i-mail.jp: 30

A / AAAA Records

203.142.204.7 ↩ ofl-203-142-204-7.kagoya.net

Mail Server IPs

203.142.204.5 ↩ ofl-203-142-204-5.kagoya.net
203.142.204.7 ↩ ofl-203-142-204-7.kagoya.net

SOA Record

                  Raw SOA
                  dns01.mailserve.co.jp admin.dns01.mailserve.co.jp 2025082019 108 36 6048 864                

Primary NS (mname)

dns01.mailserve.co.jp

Admin Email (rname)

admin@dns01.mailserve.co.jp

Serial

2025082019

Refresh

108s

Retry

36s

Expire

6048s

Minimum TTL

864s

Nameservers (NS)

                      ns.i-ml.org                    

SPF Record

✓ Soft Fail (~all)

                    v=spf1 ip4:203.142.204.0/28 ~all                  

📊 DNS lookups: 0/10

~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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

1 record

SPFv=spf1 ip4:203.142.204.0/28 ~all

Free · No signup required

Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

One line of code · Works on any site · Customize →

See demo & docs

Deep verification

Full email verification for i-mail.jp

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

No credit card required

Get 1,000 Free Credits