Website

Answer
200 OKin 1,581 ms
Ends at
https://www.idcf.jp/
Redirects
  • https://idcf.jp/ (301)
Title
ソブリンクラウドならIDCフロンティアのIDCFクラウド
Protocols
HTTP/2
Certificate
Cybertrust Japan Co., Ltd. (Cybertrust Japan SureServer EV CA G3) for www.idcf.jp, idcf.jp, cdn.www.idcf.jp and tools.idcf.jp, valid until
www
Answers itself (200 OK)

DNS records

idcf.jp

A
TTL 10 min
MX
TTL 1 hour
NS
TTL 1 hour
TXT
  • MS=ms36997651
  • MS=ms50768181
  • anthropic-domain-verification-38wd6d=dmn8HXnb9kFCMM2IeL53BxjSk
  • apple-domain-verification=iZwrDcToRTwKn5gy
  • atlassian-domain-verification=BbBN0Z6ZX8OP17d1SZj0pUJG5QPeVGqjJgOjSVDDdryCiAvJSWRbQaokdcvcYGai
  • fQVWAdjb4tQk7O8Zl0y5xit4BhYCcY
  • google-site-verification=Oui45gsVFjaATWavBmeCuDb1_EM1U-d9CbwQtDx8id0
  • google-site-verification=QHdrA9OpXArHOEHEBYXrKXj4uLCz5xYaKumk4NxbIec
  • nulab-verification-code=qKpDpkXybTDCcEpfjTbZYdD0RIIH3URzf7xQ13EbpVU5uS3Bn2HVXjaSiNWcKFja
  • seculio-domain-verification-code=27aa6852da10b327d3e96d4bac09f21c30b0e865e104ad9d6d2881e6ca267a09
  • v=spf1 include:mailsend.idc.jp include:_spf.google.com include:ops-spf.idcf.jp include:spf.mngsvr.com include:crmstyle.com ~all
TTL 10 min
SOA
  • Primary server
    ns01.idcfcloud.com
    Contact
    dns-support@idc.jp
    Serial
    394
    Refresh
    3 hours
    Retry
    1 hour
    Expire
    7 days
    Negative TTL
    1 hour
TTL 1 hour
CAA
None: any certificate authority may issue for this name

www.idcf.jp

CNAME
TTL 5 min
A
TTL 10 min

_dmarc.idcf.jp

TXT
TTL 10 min

As 211.10.28.207 answers them

Reputation

Domain blocklists

  • Spamhaus DBL Not listed
  • SURBL Not listed
  • URIBL Not listed

Rankings

365,297 Tranco rank up from 466,820 on 2026-09-28
6.82Open PageRank, out of 10
52,705Open PageRank position
221Referring domains

From Tranco and Open PageRank

WHOIS

[ JPRS database provides information on network administration. Its use is    ]
[ restricted to network administration purposes. For further information,     ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e'     ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'.                 ]
Domain Information: [ドメイン情報]
[Domain Name]                   IDCF.JP

[登録者名]                      株式会社IDCフロンティア
[Registrant]                    IDC Frontier Inc.

[Name Server]                   ns01.idcfcloud.com
[Name Server]                   ns02.idcfcloud.com
[Name Server]                   ns03.idcfcloud.com
[Signing Key]                   

[登録年月日]                    2009/03/03
[有効期限]                      2027/03/31
[状態]                          Active
[最終更新]                      2026/04/01 01:05:03 (JST)

Contact Information: [公開連絡窓口]
[名前]                          株式会社IDCフロンティア
[Name]                          IDC Frontier Inc.
[Email]                         dns-admin@idc.jp
[Web Page]                       
[郵便番号]                      135-0063
[住所]                          東京都江東区
                                有明三丁目7番11号
[Postal Address]                3-7-11 Ariake, Koto-ku, Tokyo, 135-0063
[電話番号]                      03-6899-2141
[FAX番号]

DNSSEC

idcf.jp is not signed.

. Verified

  • Found 3 DNSKEY records for .
  • DS=20326/SHA-256 verifies DNSKEY=20326/SEP
  • DS=38696/SHA-256 verifies DNSKEY=38696/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset

jp Verified

  • Found 1 DS records for jp in the . zone
  • DS=33631/SHA-256 has algorithm RSASHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
  • Found 3 DNSKEY records for jp
  • DS=33631/SHA-256 verifies DNSKEY=33631/SEP
  • Found 2 RRSIGs over DNSKEY RRset
  • RRSIG=6961 over the DNSKEY RRset was made with a key that is not trusted here
  • RRSIG=33631 and DNSKEY=33631/SEP verifies the DNSKEY RRset

idcf.jp Not signed

  • No DS records found for idcf.jp in the jp zone