sy-kogyo.co.jp

Valid Email Server
Domain Lookup › sy-kogyo.co.jp

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sy-kogyo.co.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 01:17:28 UTC · ↺ Refresh

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MX Hostnames

  • mxi.alpha-prm.jp

MX Priorities

  • mxi.alpha-prm.jp: 100

A / AAAA Records

  • 153.127.96.213 ↩ 213.96.127.153.static.www9885m.sakura.ne.jp

Mail Server IPs

  • 157.205.8.22 ↩ mxi.alpha-prm.jp

SOA Record

Raw SOA fjkdns99.alpha-prm.jp hostmaster.alpha-prm.jp 2024122702 10800 3600 604800 1800
Primary NS (mname)
fjkdns99.alpha-prm.jp
Admin Email (rname)
hostmaster@alpha-prm.jp
Serial
2024122702
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

fjkdns11.alpha-prm.jp
fjkdns13.alpha-prm.jp
fjkdns12.alpha-prm.jp

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:157.205.126.51/32 include:spf.alpha-prm.jp include:_spf.smoothfile.jp include:spf.bmv.jp ~all
📊 DNS lookups: 3/10
~ 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

4 records
  • google-site-verification=iEML6KnOYLmOle3gFBn4F30EfmH4lKrCRlQ8t-rOKeY
  • SPFv=spf1 ip4:157.205.126.51/32 include:spf.alpha-prm.jp include:_spf.smoothfile.jp include:spf.bmv.jp ~all
  • google-site-verification=CCM0hwOB2IPW4mei7_84RuCrDjSfQrxA-1hhjTLhHBo
  • MS=ms53609790
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