Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
idemitsu.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 18:06:11 UTC · ↺ Refresh
MX Hostnames
- mx.securemx.jp
MX Priorities
- mx.securemx.jp: 10
A / AAAA Records
- 52.69.80.128 ↩ ec2-52-69-80-128.ap-northeast-1.compute.amazonaws.com
- 57.182.217.234 ↩ ec2-57-182-217-234.ap-northeast-1.compute.amazonaws.com
Mail Server IPs
- 210.130.202.92 ↩ mx180b.securemx.jp
- 210.130.202.96 ↩ mx114a.securemx.jp
- 210.130.202.93 ↩ mx114b.securemx.jp
- 210.130.202.99 ↩ mx180a.securemx.jp
SOA Record
Raw SOA
ns000.d-53.net dns-managers.iij.ad.jp 928 3600 600 604800 900
Primary NS (mname)
ns000.d-53.net
Admin Email (rname)
dns-managers@iij.ad.jp
Serial
928
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns020-fmr6gag5cs5h9u2k.f.d-53.org
ns020-fmr6gag5cs5h9u2k.f.d-53.info
ns020-fmr6gag5cs5h9u2k.f.d-53.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.securemx.jp include:spf1.idemitsu.com include:spf2.idemitsu.com include:spf3.idemitsu.com include:spf4.idemitsu.com include:spf.protection.outlook.com include:_spf.bownow.jp include:kairos3.com include:toyu.idemitsu.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- docusign=333ff17d-38b6-4523-ad4c-ac6e1e1b81ba
- docusign=d4aed43e-bbc3-4599-97dc-c41f42a79c03
- zoho-verification=zb92183963.zmverify.zoho.com
- knowbe4-site-verification=64e583b5cd319f900f88cf016270e4c3
- notion-domain-verification=msLWz4j9TclJ2qpzbuVYyQRDXEyoHZtxmbLN1Ayj9K3
- nulab-verification-code=WEwLWCNvcUkHiI0Mqa3iHJ4aO4hEYrZLH6nZjP4P6t8junS9737NxNQU45ek9ocE
- nulab-verification-code=jo0AoysN0pYkYApAMINWmNPcLvkOozzAhqVE7ibUetKaPrAXaO5cqq4gdH7YJ6Od
- seculio-domain-verification-code=1d90369fd43884fa612768faa411ddfb1b4d727ef93e20f4e42a0b7b5e97900a
- SPFv=spf1 include:spf.securemx.jp include:spf1.idemitsu.com include:spf2.idemitsu.com include:spf3.idemitsu.com include:spf4.idemitsu.com include:spf.protection.outlook.com include:_spf.bownow.jp include:kairos3.com include:toyu.idemitsu.com ~all
- 86F4BB2E98
- MS=ms24298575
- _wcrorl5zceye8ue4x7tl4w99hk7kcmn
- apple-domain-verification=fOQG3l8IQQYyZyQd
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