Website

Answer
200 OKin 1,897 ms
Title
クラウド型 DMARC 解析サービス - DMARC/25
Server
Apache
Protocols
HTTP/1.1
Certificate
DigiCert Inc (GeoTrust TLS RSA CA G1) for *.dmarc25.jp and dmarc25.jp, valid until
www
Answers itself (200 OK)

DNS records

dmarc25.jp

A
TTL 1 hour
MX
  • 10mxt211.dmarc25.jp
TTL 1 hour
NS
TTL 3 days
TXT
  • _68fdvu0g7wpjcpdr7c3hzuwr7ps81zs
  • google-site-verification=fy0VFb4NNfncOaId_3Wr2Ik9tO1qjicbYWEW6BkBi_k
  • v=spf1 redirect=dmarc25.jp.r.spf25.jp
TTL 1 hour
SOA
TTL 1 hour
CAA
None: any certificate authority may issue for this name

www.dmarc25.jp

A
TTL 1 hour

_dmarc.dmarc25.jp

TXT
TTL 10 min

As ns2.gslb4.sakura.ne.jp answers them

Reputation

Domain blocklists

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

Rankings

4,189,502 Tranco rank down from 3,979,009 on 2026-09-21
1.51Open PageRank, out of 10
13,619,920Open PageRank position
4Referring 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]                   DMARC25.JP

[登録者名]                      （登録者からの申請により非表示）
                                詳細は→https://jprs.jp/about/dom-rule/whois-concealment/
[Registrant]                    (Not displayed by registrant's request)
                                For details -> https://jprs.jp/about/dom-rule/whois-concealment/ (only in Japanese)

[Name Server]                   ns1.gslb4.sakura.ne.jp
[Name Server]                   ns2.gslb4.sakura.ne.jp
[Signing Key]                   

[登録年月日]                    2016/10/11
[有効期限]                      2026/10/31
[状態]                          Active
[最終更新]                      2025/11/01 01:05:04 (JST)

Contact Information: [公開連絡窓口]
[名前]                          Whois情報公開代行サービス by お名前.com
[Name]                          Whois Privacy Protection Service by onamae.com
[Email]                         proxy@whoisprotectservice.com
[Web Page]                       
[郵便番号]                      150-8512
[住所]                          東京都渋谷区
                                桜丘町 26-1
                                セルリアンタワー 11階
[Postal Address]                Shibuya-ku
                                26-1 Sakuragaoka-cho
                                Cerulean Tower 11F
[電話番号]                      +81.354562560
[FAX番号]

DNSSEC

dmarc25.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=6961/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=6961/SHA-256 verifies DNSKEY=6961/SEP
  • Found 2 RRSIGs over DNSKEY RRset
  • RRSIG=6961 and DNSKEY=6961/SEP verifies the DNSKEY RRset
  • RRSIG=33631 over the DNSKEY RRset was made with a key that is not trusted here

dmarc25.jp Not signed

  • No DS records found for dmarc25.jp in the jp zone