Is sifac.jp Safe for Email?
MX records, SPF, DMARC, and DKIM authentication status for sifac.jp.
Fair
2/4 email authentication checks passed ·
MX ✘
SPF ✔
DMARC ✔
DKIM ✘
✘ No MX records — sifac.jp cannot receive email.
Email Authentication for sifac.jp
✔ SPF
✔ DMARC
✘ DKIM
SPF Record
v=spf1 a:www1776.sakura.ne.jp mx ~all
DMARC Record
v=DMARC1; p=none; aspf=r; adkim=r
Check an email @sifac.jp
Server Location
IP Address104.21.32.163
CitySan Francisco
CountryUnited States of America
Registered CountryUnited States of America
ASN13335
Lat / Lon37.7757 / -122.3952
Name Servers
NS 1john.ns.cloudflare.com.
NS 2amanda.ns.cloudflare.com.
Raw WHOIS data
[ 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] sifac.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] amanda.ns.cloudflare.com
[name server] john.ns.cloudflare.com
[signing key]
[登録年月日] 2017/06/17
[有効期限] 2024/06/30
[状態] active
[最終更新] 2024/02/04 01:34:00 (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]