hedva-online.co.il
קורס חדו"א אונליין - תרגילים ופתרונות

 מאגר גדול של תרגילים ופתרונות בכל הנושאים של קורס חדוא ובכל רמות הקושי. הנושאים מותאמים לכל הקורסים בכל האוניברסיטאות והמכללות בישראל. הפתרונות מפורטים מאוד, כולל חומר תיאורטי ודוגמאות.

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://www.hedva-online.co.il/

iHTTPS redirect: https://www.hedva-online.co.il/

!Server response time 3,278 sec

!HTML load time 2,932 sec

iHTML length: 347930

 A link to a favicon is specified

iNumber of IMGs: 27

 The ALT attribute is set for all IMGs

 Adapted for mobile devices. It uses the VIEWPORT tag

!W3C Validation. Number of HTML errors: 12

 W3C Validation. Number of HTML warnings: 22

 Uses robots.txt

!Doesn't use a sitemap

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

Exact physical location of Hedva-online.co.il

iUS San Francisco 101 Townsend Street

101, Townsend Street, South Beach, San Francisco, California, 94107, United States

Technical Information

iServer: cloudflare

iHedva-online.co.il registered to Amiel Riss

iNameservers: kay.ns.cloudflare.com,   owen.ns.cloudflare.com

iIPv4: 104.21.7.156,   172.67.130.85

iIPv6: 2606:4700:3037::ac43:8255,   2606:4700:3033::6815:79c

iDNS TXT Records: "v=spf1 +a +mx +ip4:139.162.178.215 +a:mail-it0-f68.google.com +mx:ASPMX.L.GOOGLE.COM +mx:ALT1.ASPMX.L.GOOGLE.COM +mx:ALT2.ASPMX.L.GOOGLE.COM +mx:ALT3.ASPMX.L.GOOGLE.COM +mx:ALT4.ASPMX.L.GOOGLE.COM +include:mail.google.com ~all"

iDNS Mail Records: 0 _dc-mx.3d591fc8c134.hedva-online.co.il.

iDMARC Mail Anti Spam Records: 104.21.7.156,   172.67.130.85

iAuthor Domain Signing Practices Mail Records: 104.21.7.156,   172.67.130.85

iRaw Whois Information

[Querying whois.isoc.org.il]
[whois.isoc.org.il]

% The data in the WHOIS database of the .il registry is provided
% by ISOC-IL for information purposes, and to assist persons in
% obtaining information about or related to a domain name
% registration record. ISOC-IL 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 to: (1) allow, enable, or otherwise
% support the transmission of mass unsolicited, commercial
% advertising or solicitations via e-mail (spam);
% or  (2) enable high volume, automated, electronic processes that
% apply to ISOC-IL (or its systems).
% ISOC-IL reserves the right to modify these terms at any time.
% By submitting this query, you agree to abide by this policy.

query:        hedva-online.co.il

reg-name:     hedva-online
domain:       hedva-online.co.il

descr:        Amiel Riss
descr:        29 ela
descr:        Omer
descr:        8496500
descr:        Israel
phone:        +972 50 7704883
e-mail:       info AT zapo.co.il
admin-c:      GI-AR14595-IL
tech-c:       GI-AR14595-IL
zone-c:       GI-AR14595-IL
nserver:      kay.ns.cloudflare.com
nserver:      owen.ns.cloudflare.com
validity:     28-10-2022
DNSSEC:       unsigned
status:       Transfer Locked
changed:      domain-registrar AT isoc.org.il 20181028 (Assigned)
changed:      domain-registrar AT isoc.org.il 20181028 (Changed)
changed:      domain-registrar AT isoc.org.il 20190629 (Changed)

person:       Amiel Riss
address      29 ela
address      Omer
address      8496500
address      Israel
phone:        +972 50 7704883
e-mail:       info AT zapo.co.il
nic-hdl:      GI-AR14595-IL
changed:      domain-registrar AT isoc.org.il 20181028

registrar name: Gorni Interactive Ltd
registrar info: https://www.box.co.il/

% Rights to the data above are restricted by copyright.

iRaw IPv4 Information 104.21.7.156

[Querying whois.arin.net]
[whois.arin.net]

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2022, American Registry for Internet Numbers, Ltd.
#


NetRange:       104.16.0.0 - 104.31.255.255
CIDR:           104.16.0.0/12
NetName:        CLOUDFLARENET
NetHandle:      NET-104-16-0-0-1
Parent:         NET104 (NET-104-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS13335
Organization:   Cloudflare, Inc. (CLOUD14)
RegDate:        2014-03-28
Updated:        2021-05-26
Comment:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref:            https://rdap.arin.net/registry/ip/104.16.0.0



OrgName:        Cloudflare, Inc.
OrgId:          CLOUD14
Address:        101 Townsend Street
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        2010-07-09
Updated:        2021-07-01
Ref:            https://rdap.arin.net/registry/entity/CLOUD14


OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-650-319-8930
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: CLOUD146-ARIN
OrgNOCName:   Cloudflare-NOC
OrgNOCPhone:  +1-650-319-8930
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

OrgTechHandle: ADMIN2521-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-650-319-8930
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgRoutingHandle: CLOUD146-ARIN
OrgRoutingName:   Cloudflare-NOC
OrgRoutingPhone:  +1-650-319-8930
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName:   Admin
RTechPhone:  +1-650-319-8930
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-650-319-8930
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName:   NOC
RNOCPhone:  +1-650-319-8930
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/NOC11962-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2022, American Registry for Internet Numbers, Ltd.
#

iRaw DNS Information

A: 104.21.7.156
A: 172.67.130.85

AAAA: 2606:4700:3037::ac43:8255
AAAA: 2606:4700:3033::6815:79c

TXT: "v=spf1 +a +mx +ip4:139.162.178.215 +a:mail-it0-f68.google.com +mx:ASPMX.L.GOOGLE.COM +mx:ALT1.ASPMX.L.GOOGLE.COM +mx:ALT2.ASPMX.L.GOOGLE.COM +mx:ALT3.ASPMX.L.GOOGLE.COM +mx:ALT4.ASPMX.L.GOOGLE.COM +include:mail.google.com ~all"

MX: 0 _dc-mx.3d591fc8c134.hedva-online.co.il.

DMARC: 104.21.7.156
DMARC: 172.67.130.85

ADSP: 104.21.7.156
ADSP: 172.67.130.85