eng-entrance.com
エンジニアの入り口

 「エンジニアの入り口」は、プログラミング入門やエンジニアリング入門の知識が満載の初心者のための勉強サイトです。プログラミングやサーバ、ネットワークの基礎知識や勉強方法を習得できます。

 プログラミング, エンジニアリング

Technical Rating

 XSS attack - not protected. HTTP header "X-XSS-Protection" not found

 User Interface redress attack - not protected. HTTP header "X-Frame-Options" not found

 HTTP request response - 200

 HTTPS request response - 200

 Redirect from HTTP to HTTPS

iHTTP redirect: https://eng-entrance.com/

!Server response time 3,987 sec

 HTML load time 1,494 sec

iHTML length: 36222

 A link to a favicon is specified

iNumber of IMGs: 7

 The ALT attribute is set for all IMGs

 Adapted for mobile devices. It uses the VIEWPORT tag

!W3C Validation. Number of HTML errors: 20

 W3C Validation. Number of HTML warnings: 21

 Uses robots.txt

 Uses sitemap

 DNS MX record is available. Anti-spam DMARC and ADSP records are available

Exact physical location of Eng-entrance.com

iJP Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda

Technical Information

iServer: nginx

iEng-entrance.com created 8 year(s) 10 month(s) 8 day(s) ago (2016-04-27)

iRegistration period ends in (2023-04-27)

iEng-entrance.com is registered in the NETOWL, INC.

iEng-entrance.com registered to Xserver Xserver Inc.

iСontacts: [email protected]

iNameservers: ns1.xserver.jp,   ns2.xserver.jp,   ns3.xserver.jp,   ns4.xserver.jp,   ns5.xserver.jp

iIPv4: 157.112.183.149

iDNS TXT Records: "v=spf1 +a:sv5308.xserver.jp +a:eng-entrance.com +mx include:spf.sender.xserver.jp ~all"

iDNS Mail Records: 0 eng-entrance.com.

iDMARC Mail Anti Spam Records: 157.112.183.149

iAuthor Domain Signing Practices Mail Records: 157.112.183.149

iRaw Whois Information

[Querying whois.verisign-grs.com]
[Redirected to whois.star-domain.jp]
[Querying whois.star-domain.jp]
[whois.star-domain.jp]


Domain Name: eng-entrance.com
Registry Domain ID:
Registrar WHOIS Server: whois.star-domain.jp
Registrar URL: www.star-domain.jp
Updated Date: 2022-04-01T01:01:47Z
Creation Date: 2016-04-27T07:05:53Z
Registrar Registration Expiration Date: 2023-04-27T07:05:53Z
Registrar: Netowl, Inc.
Registrar IANA ID: 1557
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +81.662928811
Domain Status:  - https://www.icann.org/epp#
Registry Registrant ID:
Registrant Name: Xserver Xserver Inc.
Registrant Organization: Xserver Inc.
Registrant Street: GRAND FRONT OSAKA TOWER A 13F
Registrant Street: 4-20 Ofukacho, Kita-ku
Registrant City: Osaka
Registrant State/Province: Osaka
Registrant Postal Code: 5300011
Registrant Country: JP
Registrant Phone: +81.662928811
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: [email protected]
Registry Admin ID:
Admin Name: Xserver Xserver Inc.
Admin Organization: Xserver Inc.
Admin Street: GRAND FRONT OSAKA TOWER A 13F
Admin Street: 4-20 Ofukacho, Kita-ku
Admin City: Osaka
Admin State/Province: Osaka
Admin Postal Code: 5300011
Admin Country: JP
Admin Phone: +81.662928811
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: [email protected]
Registry Tech ID:
Tech Name: Xserver Xserver Inc.
Tech Organization: Xserver Inc.
Tech Street: GRAND FRONT OSAKA TOWER A 13F
Tech Street: 4-20 Ofukacho, Kita-ku
Tech City: Osaka
Tech State/Province: Osaka
Tech Postal Code: 5300011
Tech Country: JP
Tech Phone: +81.662928811
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: [email protected]
Name Server: ns1.xserver.jp
Name Server: ns2.xserver.jp
Name Server: ns3.xserver.jp
Name Server: ns4.xserver.jp
Name Server: ns5.xserver.jp
DNSSEC: Unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2022-04-01T01:01:47Z <<<

The WHOIS service (the "Service") offered by Netowl, Inc. ("Netowl") and the
access to the records provided via the Service are for informational purposes
only. Netowl makes this information available to you "as is" and does not
guarantee its accuracy. By submitting a WHOIS query, you agree that you will use
this data only for lawful purposes and that, under no circumstances will you use
this data: (1) to allow, enable, or otherwise support the transmission of mass
unsolicited, commercial advertising or solicitations via direct mail, electronic
mail, or by telephone; (2) in contravention of any applicable data and privacy
protection acts; or (3) to enable high volume, automated, electronic processes
that apply to Netowl (or its systems). Compilation, repackaging, dissemination,
or other use of the WHOIS database in its entirety, or of a substantial portion
thereof, is strictly prohibited.

For more information on Whois status codes, please visit
https://www.icann.org/resources/pages/epp-status-codes-2014-06-16-en.

iRaw IPv4 Information 157.112.183.149

[Querying whois.arin.net]
[Redirected to whois.apnic.net]
[Querying whois.apnic.net]
[whois.apnic.net]
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '157.112.176.0 - 157.112.191.255'

% Abuse contact for '157.112.176.0 - 157.112.191.255' is '[email protected]'

inetnum:        157.112.176.0 - 157.112.191.255
netname:        BETINC
descr:          XSERVER Inc.
descr:          GRAND FRONT OSAKA TOWER A 32F,4-20,
descr:          Ofukacho,Kita-ku,Osaka-city
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
status:         ALLOCATED PORTABLE
remarks:        Email address for spam or abuse complaints : [email protected]
mnt-irt:        IRT-JPNIC-JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-routes:     MAINT-JPNIC
last-modified:  2020-11-05T07:28:04Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
e-mail:         [email protected]
abuse-mailbox:  [email protected]
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2020-07-23
mnt-by:         MAINT-JPNIC
last-modified:  2022-06-14T04:26:58Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         [email protected]
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

% Information related to '157.112.183.0 - 157.112.183.255'

inetnum:        157.112.183.0 - 157.112.183.255
netname:        XSERVER20
descr:          XSERVER Inc.
country:        JP
admin-c:        NK3681JP
tech-c:         NK3681JP
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
last-modified:  2018-05-14T21:56:03Z
source:         JPNIC

% This query was served by the APNIC Whois Service version 1.88.16 (WHOIS-UK4)

iRaw DNS Information

A: 157.112.183.149

TXT: "v=spf1 +a:sv5308.xserver.jp +a:eng-entrance.com +mx include:spf.sender.xserver.jp ~all"

MX: 0 eng-entrance.com.

DMARC: 157.112.183.149

ADSP: 157.112.183.149